Jan. 6, 2025

SpaceX's Italian Venture, Electric Propulsion Innovations, and Silent Black Holes: S04E05

Astronomy Daily - The Podcast: S04E05
Welcome to another fascinating edition of Astronomy Daily, your daily source for the most intriguing developments in space and astronomy. I'm Anna, and today we have a packed show highlighting the rapid...

Show Notes
Transcript

Astronomy Daily - The Podcast: S04E05
Welcome to another fascinating edition of Astronomy Daily, your daily source for the most intriguing developments in space and astronomy. I'm Anna, and today we have a packed show highlighting the rapid advancements in space technology and exploration.
Highlights:
- Italy's Telecommunications Security Deal with SpaceX: Italy is finalizing a groundbreaking 1.5 billion euro deal with SpaceX to revolutionize its telecommunications security infrastructure. This five-year contract will leverage SpaceX's satellite network to provide secure communications, focusing on emergency response capabilities.
- Electric Propulsion Technology Breakthroughs: The University of Virginia's research is pushing the boundaries of spacecraft propulsion with electric thrusters, offering a more efficient way to travel through space by ionizing xenon gas and creating high-speed plasma beams.
- Quiet Black Hole Formation: A discovery in the Large Magellanic Cloud reveals that some massive black holes form quietly through direct collapse, challenging our traditional understanding of stellar death and black hole formation.
- Timekeeping for Lunar Missions: NASA has developed a new lunar timekeeping system to address the complexities of time flow on the Moon, crucial for future lunar missions and operations.
- Mars Insight Lander Observations: New images from NASA's Mars Reconnaissance Orbiter show how dust accumulation affects the Insight lander, providing insights into Mars's atmospheric processes.
- Exciting Missions Planned for 2025: The year 2025 promises a busy schedule with multiple lunar missions, new heavy-lift rockets, and ambitious planetary explorations, including China's Tianwen 2 mission and ESA's BepiColombo flyby.
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 the wonders of our universe.
00:00 - Astronomy Daily brings you a roundup of the most interesting space news
00:46 - Italy in final stages of deal with SpaceX to provide secure communications
02:37 - University of Virginia researchers are developing revolutionary electric propulsion systems for spacecraft
04:59 - Astronomers have found that some black holes form quietly without spectacular explosions
09:23 - NASA's Insight lander has been dormant on Mars for two years now
11:12 - Looking ahead to 2025, we're set for a busy year in space exploration
13:07 - This is the end of today's episode of Astronomy Daily
✍️ Episode References
SpaceX
[SpaceX](https://www.spacex.com/)
University of Virginia
[University of Virginia](https://www.virginia.edu/)
NASA Artemis Program
[NASA Artemis](https://www.nasa.gov/specials/artemis/)
Mars Reconnaissance Orbiter
[Mars Reconnaissance Orbiter](https://mars.nasa.gov/mro/)
ESA BepiColombo
[BepiColombo](https://www.esa.int/Science_Exploration/Space_Science/BepiColombo)
Firefly Aerospace
[Firefly Aerospace](https://firefly.com/)
Blue Origin
[Blue Origin](https://www.blueorigin.com/)
Rocket Lab
[Rocket Lab](https://www.rocketlabusa.com/)

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WEBVTT

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Welcome to another fascinating edition of Astronomy Daily. I'm excited

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to bring you today's roundup of the most intriguing developments

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from across the space and astronomy world. We've got a

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pack show ahead with stories that showcase just how rapidly

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space technology and exploration are advancing. We'll be diving into

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Italy's groundbreaking negotiations with SpaceX for a major telecommunications security deal,

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exploring revolutionary developments in electric propulsion technology that could transform

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how we travel through space, and examining some remarkable astronomical

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discoveries that are changing our understanding of black hole formation.

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We'll also look at the unique challenges of timekeeping for

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future lunar missions, check in on the latest updates from Mars,

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and preview some of the exciting space missions planned for

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twenty twenty five. So let's get started with today's cosmic journey.

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In a significant development for European space communications, Italy is

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in the final stages of negotiating a substantial one point

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five billion euro deal with SpaceX. This five year contract

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would revolutionize Italy's telecommunication security infrastructure, marking one of the

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largest European government contracts for SpaceX. To date, the deal

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encompasses a comprehensive suite of encrypted communication services, leveraging SpaceX's

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satellite network to provide secure telephone and internet services for

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Italy's government operations. What makes this particularly noteworthy is the

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scope of services being considered, including dedicated military communications coverage

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across the Mediterranean region. One of the most promising aspects

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of this potential partnership is its focus on emergency response capabilities.

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The system would enable rapid deployment of satellite services during

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critical situations such as terrorist attacks or natural disasters, ensuring

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reliable communications even when traditional infrastructure might be compromised. The

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initiative has already received crucial backing from Italy's Intelligence Services

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and Defense Ministry, highlighting the strategic importance of this investment

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in national security infrastructure. This move aligns with Italy's broader

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efforts to modernize its communications capabilities and strengthen its position

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in the growing space sector. What's particularly interesting is that

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Italy isn't just focusing on security communications. The country is

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also planning to conduct tests to evaluate whether Starlink satellite

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based connectivity could help boost high speed internet access across

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the nation. This dual purpose approach could potentially transform both

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government operations and civilian internet infrastructure throughout Italy. Next, let's

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take a look at some groundbreaking research from the University

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of Virginia which is pushing the boundaries of spacecraft propulsion technology.

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Led by Professor Chencui, the team is making remarkable advances

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in understanding electric propulsion thrusters, which could fundamentally change how

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we travel through space. Unlike traditional chemical rockets, electric repulsion

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systems work by ionizing zenon gas and accelerating it using

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electric fields. This process creates a high speed plasma beam

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that propels spacecraft forward with remarkable efficiency. What makes this

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technology particularly exciting is that it allows spacecraft to travel

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much further while carrying significantly less fuel. The team's research

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focuses on the behavior of electrons within these plasma beams,

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which might seem like a minor detail, but is actually

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crucial for the future of space exploration. These tiny charged

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particles play a vital role in determining how the thruster's

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exhaust plume interacts with the spacecraft itself. Understanding these interactions

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is essential for missions that could last years or even decades.

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One of the most significant challenges they're addressing is how

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to prevent the plasma plume from damaging critical spacecraft components.

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When not properly managed, these particles can flow backward towards

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solar panels, communication antennas, and other sensitive equipment. By developing

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advanced computer simulations, the researchers are gaining unprecedented insights into

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how these particles behave and how to control them effectively.

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The implications of this research extend far beyond academic interest

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as we look toward ambitious goals like NASA's Artemis program

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and future Mars missions. These improved electric propulsion systems could

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be the key to making long duration space travel not

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just possible but practical. Their increased efficiency and reliability could

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be the difference between a successful mission and one that

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falls short of its objectives. Particularly fascinating is how the

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team is using state of the art supercomputers to create

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noise free simulations that reveal previously unseen patterns in electron behavior.

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This deeper understanding is already leading to improvements in thruster

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design that could significantly extend the operational life of future spacecraft.

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Now let's move on to some more groundbreaking research. This

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time involving everyone's favorite space topic. In a fascinating breakthrough,

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astronomers have discovered that some massive black holes form in

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a surprisingly quiet way, without the spectacular explosions we typically

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associate with stellar death. This evidence comes from observations of

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a remarkable binary star system known as VFTS two hundred

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and forty three, located in our neighboring large Magellanic Cloud galaxy.

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The system consists of a massive star about twenty five

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times heavier than our Sun, orbiting with a black hole

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roughly ten times our Sun's mass. What makes this discovery

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particularly intriguing is how it challenges our traditional understanding of

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black hole formation. Typically, we expect massive stars to end

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their lives in dramatic supernova explosions, but VFTS two hundred

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and forty three tells a different story. Using state of

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the art models of stellar collapse, researchers found that the

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black hole in this system likely formed through a process

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called direct collapse. Instead of exploding, the star essentially imploded,

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with most of its energy being carried away by tiny

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particles called neutrinos. This process is remarkably subtle compared to

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the cosmic fireworks we usually expect The team's calculations revealed

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that these neutrinos were emitted almost equally in all directions

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during the collapse. This symmetrical emission is crucial because it

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explains why the binary system remained intact. A traditional supernova

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explosion would have likely torn the system apart or at

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least significantly disrupted its orbit. This discovery opens up new

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possibilities for understanding how black holes form throughout the universe.

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It suggests that many stellar mass black holes might come

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into existence without announcing themselves with bright explosions, making them

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essentially invisible to our telescopes at the moment of their birth.

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The implications are significant for our understanding of stellar evolution

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and the population of black holes in our galaxy. It

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seems that nature has more than one way to create

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these cosmic giants, and sometimes prefers to do so quietly,

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without the dramatic flare we've come to expect from dying stars.

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As NASA and other space agencies prepare for a permanent

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human presence on the Moon, they're facing an unexpected challenge

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keeping accurate time. While this might sound simple, the physics

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of space make it surprisingly complex. NASA researchers have recently

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developed a new system of lunar time to address this

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critical need. Time actually flows differently on the Moon compared

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to Earth, with lunar clocks ticking slightly faster due to

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the Moon's weaker gravitational field. In fact, lunar time drifts

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ahead of Earth time by about fifty six microseconds every day.

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While this might seem insignificant, these tiny differences can have

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major implications for navigation, communication, and coordination between lunar operations.

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The new time keeping system incorporates Einstein's theories of relativity

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to account for these variations. It considers not only the

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Moon's weaker gravity, but also its motion around Earth and

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the Sun, which introduces periodic time variations. Even local gravitational

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anomalies on the Moon known as mascons, need to be

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factored in as they subtly influence the flow of time

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across different lunar locations. This precision timing becomes crucial when

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you consider the ambitious plans for lunar development, with multiple

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space agencies and commercial companies planning to operate various elements

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on and around the Moon, from landing systems and rovers

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to permanent habitats and research stations, coordinated timekeeping becomes essential

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for everything from navigation to communications scheduling. The system also

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needs to maintain precise synchronization with Earth based mission control

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while allowing for autonomous operations during periods when Earth isn't

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visible from lunar bases. It's a complex balancing act that

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requires accounting for relativistic effects while maintaining practical usability for

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lunar operations. As we prepare to establish a permanent human

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presence on the Moon, this new time keeping system represents

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a crucial step forward. It's another reminder that even seemingly

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simple aspects of space exploration often require innovative solutions to

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account for the complex physics of our universe. Speaking of NASA,

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recent images from NASA's Mars Reconnaissance orbiter have captured fascinating

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new views of the Insight Lander, which has been dormant

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on the Martian surface for two years now. These observations

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are providing scientists with valuable information about how dust moves

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and accumulates on the red planet. The images show that

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the lander, once a gleaming piece of technology, has now

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taken on the same reddish brown hue as its surroundings.

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A testament to mars ever present dust. By monitoring how

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dust collects on INSIGHT's surface and how much gets swept

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away by winds and dust devils, scientists are gaining new

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insights into Mars's atmospheric processes. Particularly interesting are the numerous

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dust devil tracks visible in the area around Insight. These

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swirling Martian winds have been found to follow a seasonal pattern,

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being most active during the summer months and nearly absent

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in winter. The tracks they leave behind create a constantly

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changing pattern on the surface, like nature's own etcha sketch.

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The images have also revealed interesting details about impact craters

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on Mars, including those created by INSIGHT's own landing thrusters.

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Initially dark brown, these small craters have gradually filled with

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dust and returned to the surrounding terrain's characteristic rust color.

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This process helps scientists better understand how quickly surface features

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on Mars can change and disappear under the influence of

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dust movement. While engineers continue to occasionally listen for signals

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from Insight in case a dust devil cleans its solar

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panels enough to revive it, no new communications have been

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detected two years of silence, NASA has announced they'll stop

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listening for signals shortly. Even in its retirement, though Insight

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continues to contribute to our understanding of Mars through these

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orbital observations. Looking ahead to twenty twenty five, we're set

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for an incredibly busy year in space exploration, with a

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remarkable lineup of missions that will push the boundaries of

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our understanding of the Solar System. The Moon is taking

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center stage early in the year, with multiple missions headed

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to our celestial neighbor. In January alone, we'll see the

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launch of two lunar landers, Firefly Aerospace's Blue Ghost destined

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for the Mare Chrisium, and I Space's Hakuto R Mission II,

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which will attempt to land in the Mare Frigoris. These

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missions will carry various scientific payloads and even a microrover

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to explore the lunar surface. Several heavy lift rockets are

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making their debut this year, marking a significant advancement in

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launch capabilities. Blue Origin's new Glen rocket is scheduled for

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its inaugural flight anytime now, while Rocket labs Neutron rocket

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will join the line up later in the year. These

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new vehicles will greatly expand our ability to launch larger

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payloads into space. In the realm of planetary exploration, China

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is preparing for its ambitious Chanwen Tu mission, set to

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launch in May. This spacecraft will attempt something never done before,

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visiting both an asteroid and a comet on the same mission.

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It plans to collect samples from asteroid Kamawalawa in twenty

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twenty six before heading to comet pan Stars in twenty

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thirty four. Will also witness several crucial planetary flybys throughout

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the year. The Europa Clipper will swing past Mars in

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March on its journey to Jupiter, while ESA's BEPI Colombo

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will make its final Mercury fly by this month. These

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gravitational assists are crucial maneuvers that help spacecraft reach their

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distant destinations. Back in Earth orbit, we might see the

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beginning of commercial space stations, with VASTS plans to launch

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their first Haven one module in August. Meanwhile, multiple space

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whether monitoring missions will take their positions to help us

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better understand solar activity and its effects on Earth. That

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brings us to the end of today's episode of Astronomy Daily.

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Thank you for joining me on this journey through the

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latest developments in space exploration and astronomy. If you'd like

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to stay up to date with all the latest space

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Anna reminding you to keep looking up and I'll see

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you tomorrow for another fascinating look at what's happening in space.

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Style is the Soul. The Style is the Soul. Star

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is