Jan. 1, 2025
Gravitational Breakthroughs, Lunar Insights, and SpaceX's Bold Moves: S04E01
Astronomy Daily - The Podcast: S04E01
Happy New Year, and welcome to the first episode of Astronomy Daily for 2025! I'm Anna, and I'm thrilled to be back with you for another exciting year of space exploration and astronomical discoveries. Today,...
Astronomy Daily - The Podcast: S04E01
Happy New Year, and welcome to the first episode of Astronomy Daily for 2025! I'm Anna, and I'm thrilled to be back with you for another exciting year of space exploration and astronomical discoveries. Today, we're diving into some fascinating developments that are already shaping up to make 2025 a landmark year in space science.
Highlights:
- Commercial Spaceflight Boost: The U.S. Federal Communications Commission has expanded the spectrum for launch communications, allocating additional frequencies to support the growing commercial space industry. This move is set to streamline the licensing process and accelerate the pace of commercial space activities.
- NASA's Orion Capsule Concerns: Inspectors have discovered significant damage to the Orion capsule's heat shield, causing delays in the Artemis program. NASA has announced changes to the re-entry trajectory and manufacturing methods to ensure crew safety for future missions.
- Gravitational Wave Detection Breakthrough: Scientists have developed a new technique called optical spring tracking, enhancing our ability to detect gravitational waves. This advancement could lead to observations of cosmic events from the universe's earliest moments.
- Studying Lunar Space Debris: The Lunar Meteoroid Impact Observer (Lumio) mission aims to study meteoroid strikes on the Moon's far side. Positioned at the Earth-Moon L2 Lagrange point, Lumio will provide unprecedented data on space debris impacts.
- Remarkable Exoplanet Discoveries: 2024 was a year of extraordinary exoplanet discoveries, including the lowest density "cotton candy" planet and a planet with a super eccentric orbit. These findings expand our understanding of planetary diversity and formation.
- SpaceX's Ambitious Starship Plans: SpaceX is set to increase its launch frequency in 2025, with plans for up to 25 launches and significant upgrades to the Starship vehicle. These developments aim to revolutionize access to space and support NASA's Artemis program.
For more cosmic updates, visit our website at astronomydaily.io. Join our community on social media by searching for #AstroDailyPod on Facebook, X, Tumblr, YouTube, YouTubeMusic, and TikTok. Share your thoughts and connect with fellow space enthusiasts.
Thank you for tuning in. This is Anna signing off. Until next time, keep looking up and stay curious about our amazing universe.
00:00 - This is the first episode of astronomy daily for 2025
00:59 - The FCC has just expanded the spectrum available for launch communications
03:23 - NASA inspectors discovered cracks in Orion's heat shield following its 2022 splashdown
05:40 - Scientists have developed a new technique called optical spring tracking to detect gravitational waves
07:39 - Scientists are developing a new way to study lunar meteoroid impacts
09:56 - This year has been an extraordinary year for exoplanet discoveries
12:12 - SpaceX's Starship rocket system has successfully completed six test flights to date
14:40 - From gravitational wave detection to SpaceX's ambitious plans for Starship
✍️ Episode References
U.S. Federal Communications Commission (FCC)
[FCC Official Website](https://www.fcc.gov/)
NASA Artemis Program
[NASA Artemis](https://www.nasa.gov/specials/artemis/)
SpaceX
[SpaceX Official Website](https://www.spacex.com/)
Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO)
[LIGO Official Website](https://www.ligo.caltech.edu/)
European Space Agency (ESA) Lunar CubeSat for Exploration
[ESA Lunar CubeSat Competition](https://www.esa.int/)
Astronomy Daily Website
[Astronomy Daily](https://astronomydaily.io/)
Become a supporter of...
Happy New Year, and welcome to the first episode of Astronomy Daily for 2025! I'm Anna, and I'm thrilled to be back with you for another exciting year of space exploration and astronomical discoveries. Today, we're diving into some fascinating developments that are already shaping up to make 2025 a landmark year in space science.
Highlights:
- Commercial Spaceflight Boost: The U.S. Federal Communications Commission has expanded the spectrum for launch communications, allocating additional frequencies to support the growing commercial space industry. This move is set to streamline the licensing process and accelerate the pace of commercial space activities.
- NASA's Orion Capsule Concerns: Inspectors have discovered significant damage to the Orion capsule's heat shield, causing delays in the Artemis program. NASA has announced changes to the re-entry trajectory and manufacturing methods to ensure crew safety for future missions.
- Gravitational Wave Detection Breakthrough: Scientists have developed a new technique called optical spring tracking, enhancing our ability to detect gravitational waves. This advancement could lead to observations of cosmic events from the universe's earliest moments.
- Studying Lunar Space Debris: The Lunar Meteoroid Impact Observer (Lumio) mission aims to study meteoroid strikes on the Moon's far side. Positioned at the Earth-Moon L2 Lagrange point, Lumio will provide unprecedented data on space debris impacts.
- Remarkable Exoplanet Discoveries: 2024 was a year of extraordinary exoplanet discoveries, including the lowest density "cotton candy" planet and a planet with a super eccentric orbit. These findings expand our understanding of planetary diversity and formation.
- SpaceX's Ambitious Starship Plans: SpaceX is set to increase its launch frequency in 2025, with plans for up to 25 launches and significant upgrades to the Starship vehicle. These developments aim to revolutionize access to space and support NASA's Artemis program.
For more cosmic updates, visit our website at astronomydaily.io. Join our community on social media by searching for #AstroDailyPod on Facebook, X, Tumblr, YouTube, YouTubeMusic, and TikTok. Share your thoughts and connect with fellow space enthusiasts.
Thank you for tuning in. This is Anna signing off. Until next time, keep looking up and stay curious about our amazing universe.
00:00 - This is the first episode of astronomy daily for 2025
00:59 - The FCC has just expanded the spectrum available for launch communications
03:23 - NASA inspectors discovered cracks in Orion's heat shield following its 2022 splashdown
05:40 - Scientists have developed a new technique called optical spring tracking to detect gravitational waves
07:39 - Scientists are developing a new way to study lunar meteoroid impacts
09:56 - This year has been an extraordinary year for exoplanet discoveries
12:12 - SpaceX's Starship rocket system has successfully completed six test flights to date
14:40 - From gravitational wave detection to SpaceX's ambitious plans for Starship
✍️ Episode References
U.S. Federal Communications Commission (FCC)
[FCC Official Website](https://www.fcc.gov/)
NASA Artemis Program
[NASA Artemis](https://www.nasa.gov/specials/artemis/)
SpaceX
[SpaceX Official Website](https://www.spacex.com/)
Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO)
[LIGO Official Website](https://www.ligo.caltech.edu/)
European Space Agency (ESA) Lunar CubeSat for Exploration
[ESA Lunar CubeSat Competition](https://www.esa.int/)
Astronomy Daily Website
[Astronomy Daily](https://astronomydaily.io/)
Become a supporter of...
WEBVTT
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Happy New Year, and welcome to the first episode of
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Astronomy Daily for twenty twenty five. I'm your host, Anna,
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and I'm thrilled to be back with you for another
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exciting year of space exploration and astronomical discoveries. We've got
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a packed show for you today, covering some fascinating developments
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that are already shaping up to make twenty twenty five
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a landmark year in space science. We'll be looking at
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new regulatory changes that could accelerate commercial spaceflight, examining some
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concerning findings about NASA's Orion capsule, and exploring breakthrough technology
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that could help us detect gravitational waves with unprecedented precision.
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We'll also journey to the far side of the Moon
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to learn about an innovative new way to study space debris,
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check out some of the most remarkable exoplanet discoveries from
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the past year, and get an inside look at SpaceX's
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ambitious plans for their Starship program. So strap in and
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get ready to explore the Cosmos with us as we
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begin another year of amazing space science and discovery. In
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a say significant move for commercial spaceflight, the US Federal
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Communications Commission has just expanded the spectrum available for launch communications.
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The FCC's December thirty first announcement allocated additional frequencies between
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twenty three sixty and twenty three ninety five megahertz that
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can now be used for communications with commercial launch and
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re entry vehicles. This new allocation fulfills requirements set out
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in the Launch Communications Act of twenty twenty four, which
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President Biden signed into law last September. The Act called
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for making three specific frequency bands available to support the
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growing commercial space industry. What makes this particularly interesting is
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that two of these bands were already allocated for launch communications,
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but this third band opens up new possibilities for both
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uplink and downlink communications with spacecraft. This additional bandwidth is
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crucial as the commercial space sector continues to expand rapidly.
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Both the FCC and launch companies have emphasized that this
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extra spectrum is essential to handle the increasing number of
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launches we're seeing. As FCC Chairwoman Jessica rosen Worsel noted,
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this move will make it easier for new competitors to
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consistently access the spectrum they need for their missions. The
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new allocation isn't without its challenges, though, The band will
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be shared with existing aircraft and missile testing operations, which
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means launch operators will need to take special precautions to
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avoid interference. However, companies like SpaceX and Virgin Galactic have
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already successfully used portions of this band for several launches
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without any reported issues. Perhaps most importantly, this change streamlines
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the licensing process for launch companies. Instead of having to
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apply for special temporary authority for each individual, launch, operators
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can now work within a more efficient framework that covers
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all three allocated bands. This should significantly reduce the administrative
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burden on both the companies and the FCC, helping to
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exit accelerate the pace of commercial space activities. This development
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really showcases how the regulatory landscape is evolving to keep
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pace with the commercial space industry's rapid growth. As we
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continue to see more private companies reaching for the stars,
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having robust and clear communication protocols will be absolutely essential
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for safe and efficient operations. Next up, the safety and
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reliability of NASA's Artemis program faced a significant challenge when
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inspectors discovered concerning damage to the Orion capsule's heat shield
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following its splash down in December twenty twenty two. What
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initially looked like a successful conclusion to the Artemis one
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mission revealed some worrying issues that have since caused delays
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to the program's timeline. When the recovery crew lifted Orion
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onto the USS Portland's deck, they noticed substantial cracks on
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the capsule's lower surface where it connects to the heat shield.
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While some wear on a heat shield that endured temperature
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of around five thousand degrees fahrenheit might seem expected, the
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extent of the damage raised serious concerns about cruse safety
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for future missions. After nearly two years of thorough analysis,
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NASA's investigation revealed that the problem stemmed from an unexpected
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interaction between the shield's materials during re entry. The heat
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shield's design uses a specialized resin called novolac, embedded in
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a honeycomb structure of fiberglass threads. During re entry, this
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material is meant to gradually melt and form a protective
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char layer. However, what actually happened was more complex. As
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Oryon performed its skip re entry maneuver, the shield began
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melting as planned, but when the capsule bounced back into space,
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the outer layers froze. Trapping heat inside. This trapped heat
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vaporized more of the resin, and during the second atmospheric entry,
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the expanding gases created those concerning cracks in the char structure.
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In response to these findings, NASA has announced significant changes
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to their approach for the upcoming Artemis two mission, which
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will carry astronauts around the Moon. They've modified the re
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entry trajectory to prevent heat from accumulating in this way.
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Looking further ahead to Artemis three, NASA plans to implement
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new manufacturing methods to make the shield more permeable. These
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challenges have pushed the timeline for crude Artemis missions further
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into the future, with Artemis two now targeting sometime in
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twenty twenty five and Artemis three slated for twenty twenty seven.
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While these delays might be frustrating, they reflect NASA's unwavering
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commitment to crue safety as they work to return humans
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to the Moon. Scientists have made an exciting breakthrough in
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our ability to detect gravitational waves, those subtle ripples and
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space time that give us unique insights into cosmic events.
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Researchers have developed a new technique called optical spring tracking
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that could dramatically improve how clearly we can detect these
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elusive waves. The Advanced Laser Interferometer Gravitational Wave Observatory or
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ALIGO uses incredibly sensitive equipment to measure tiny distortions in
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space time caused by distant cosmic events. While this technology
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has already revolutionized our understanding of phenomena like black hole mergers,
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it faces limitations from what scientists call quantum noise. This
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new optical spring tracking system works by tuning itself to
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match the frequency of incoming gravitational waves. In tests, researchers
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used a microscopic mirror weighing just fifty nanograms made from
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carefully layered aluminum, gallium arsenide, and gallium arsenide. When hit
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with laser light, this tiny mirror creates an optical spring
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effect that can be precisely controlled to track and enhance
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gravitational wave signals. The results have been remarkable. In their
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proof of concept experiment, the team demonstrated that tracking a
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signal with this system improved the signal to noise ratio
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by up to forty times compared to traditional methods. This
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means we could potentially detect much fainter gravitational wave from
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even more distant cosmic events. While implementing this technology in
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full scale observatories like LIGO will require overcoming some engineering challenges,
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the potential benefits are enormous. By enhancing our ability to
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detect gravitational waves, we might soon be able to observe
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events from the very earliest moments of our universe, including
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the mergers of primordial black holes formed shortly after the
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Big Bang. This advancement represents a significant step forward in
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our quest to understand the universe's most energetic events, and
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could help unlock mysteries about how our cosmos formed and
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evolved over billions of years. Next a story about cubes
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at innovation at its finest. While Earth's atmosphere protects us
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from most space debris, scientists are developing an innovative new
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way to study these cosmic impacts by watching them strike
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the Moon. A fascinating new mission called the Lunar Meteoroid
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Impact Observer or LUMIO, aims to give us an unprecedented
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view of meteoroid strikes on the lunar f side. LUMIO
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is a compact but capable spacecraft, a twelve kilogram cube
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SAT equipped with a specialized camera designed to detect the
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bright flashes that occur when space rocks impact the lunar surface.
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What makes this mission particularly clever is its planned position
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at a special point in space called the Earth Moon
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L two lagrange point, perfectly situated to observe the Moon's
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far side. From this unique vantage point, Lumio will have
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an unobstructed view of impacts that we could never see
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from Earth, and since the Moon has virtually no atmosphere,
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these objects strike the surface directly, creating visible flashes that
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can tell us important information about both the impactor and
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the lunar surface. The numbers are quite remarkable. Scientists estimate
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that up to twenty three thousand meteoroids weighing thirty grams
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or more strike the Moon each year. While Lumio will
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only observe half of these impacts, it still expected to
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detect multiple strikes every single day, building up an unprecedented
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database of information about this space debris in our cosmic neighborhood.
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Of course, operating at the L two point presents some
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unique challenges. The spacecraft will need to rely on relay
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satellites for communication. Since the Moon will block its direct
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line of sight to Earth, it will also need sophisticated
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automated systems to process the massive amount of imagery it collects,
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capturing fifteen frames every second and using smart algorithms to
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identify genuine impact flashes. The lumiomission has already been selected
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as a finalist in Essay's Lunar Cube SAT for Exploration competition,
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and is scheduled for launch in twenty twenty seven. Once operational,
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it promises to give us fascinating new insights into the
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bombardment our celestial neighbor regularly endures, helping us better understand
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the threats these objects might pose to Earth and our
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future lunar operations. Let's take a look now at some
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of the strangest planets discovered over the past fel twelve months.
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Twenty twenty four has been an extraordinary year for exoplanet discoveries,
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with several fascinating new worlds expanding our understanding of planetary diversity.
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Perhaps the most intriguing find was a new cotton candy
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planet with the lowest density ever recorded for an exoplanet.
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These peculiar worlds continue to challenge our theories about planetary formation,
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with their impossibly fluffy atmospheres defying conventional explanation. In an
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inspiring demonstration of citizen science, amateur astronomers working alongside professionals
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discovered a remarkable planet in a binary star system. What
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makes this find particularly exciting is that it orbits within
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the habitable zone of the brightest known star to host
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such a planet, the region where liquid water could potentially
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exist on its surface. We've also gained valuable insights into
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planetary formation thanks to the discovery of what may be
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the youngest transiting exoplanet ever found. This giant world orbiting
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an incredibly young star is providing astronomers with a rare
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glimpse into the early stages of planetary development. One of
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the year's most bizarre discoveries was a huge planet with
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what scientists are calling a super eccentric orbit, more elliptical
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than any previously known. This peculiar world appears to be
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traveling backward compared to its stars rotation, potentially offering clues
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about how hot Jupiter's massive planets orbiting extremely close to
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their stars come to exist. Closer to home, our nearest
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stellar neighbor after the Sun, Barnard's Star has revealed its
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own planetary secret just six light years away. This newly
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confirmed exoplanet adds to our growing catalog of nearby worlds
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and reminds us that we still have much to discover
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in our own cosmic backyard. Perhaps the most unexpected planetary
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discovery came from a simple timing discrepancy, when astronomers noticed
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a known planet crossing in front of its star two
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hours earlier than predicted. Their investigation led to the discovery
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of an entirely new world in the same system. It's
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a perfect example of how careful observation and attention to
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detail continue to unveil the universe's hidden treasures. Finally, today,
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let's take a look at SpaceX's Starship plans heading into
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the new year. SpaceX's Starship program reached several significant milestones
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in twenty twenty four, with the company now setting its
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sights on an ambitious expansion of operations. In twenty twenty five,
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the world's largest and most powerful rocket system completed six
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test flights to date, with each launch bringing valuable lessons
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and improvements to the vehicle's design and performance. The most
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recent flights have demonstrated remarkable progress, with both the super
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heavy booster and the Starship upper stage successfully surviving atmospheric reentry.
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A particularly noteworthy achievement came during the fifth test flight,
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when the launch tower successfully caught the returning Super Heavy
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booster using its innovative chopstick arms, a crucial step towards
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SpaceX's goal of rapid reusability. Looking ahead to twenty twenty five,
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SpaceX has applied for permits to dramatically increase their launch
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frequency from their Starbase facility in Texas. The Federal Aviation
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Administration has given preliminary approval for up to twenty five
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launches in the coming year, a fivefold increase from current levels.
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This expanded schedule would include not just launches, but also
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fifty tower catches, split evenly between the Super Heavy boosters
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and Starship upper stages. The company is also planning significant
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upgrades to the vehicle itself. Future versions of Starship will
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feature increased thrust capabilities, with plans to achieve three times
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the power of NASA's Saturn Vive rocket. These improvements aim
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to enable the transport of larger payloads, with future iterations
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capable of carrying over two hundred tons to orbit. Perhaps
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most ambitious are the cost projections, with SpaceX suggesting that
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the full reusability of the system could eventually bring launch
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costs down to just a few million dollars per flight.
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This dramatic reduction in launch costs, combined with increased payload
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capacity and flight frequency, could revolutionize access to space and
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support the company's longer term goals of establishing a sustained
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human presence on Mars. These developments come at a crucial
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time as NASA continues to rely on Starship as a
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key component of its Artemis program, with the vehicle selected
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to serve as the lunar Lander for future missions to
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the Moon's surface. As we move into twenty twenty five,
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all eyes will be on SpaceX to see if they
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can maintain this ambitious pace of development and testing. That
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brings us to the end of today's episode of Astronomy Daily.
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I'm Anna, and I want to thank you for joining
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me as we explored these fascinating developments in space and astronomy.
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From revolutionary advances in gravitational wave detection to SpaceX's ambitious
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plans for Starship, It's clear that twenty twenty five is
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already shaping up to be an incredible year for space exploration.
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To stay up to date, with all the latest space
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and astronomy news, head over to our website at Astronomy
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Daily dot io. There you'll find detailed articles on all
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the stories we covered today, plus our complete archive of
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past episodes. And don't forget to follow us on social media.
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You can find astro Daily Pod on Facebook, x, Tumblr, YouTube,
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YouTube music, and TikTok. Until next time, keep looking up
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and stay curious about our amazing universe. Star Star
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