April 20, 2026
Blue Origin Reuses New Glenn But Loses Satellite + Artemis 2 Heat Shield News
In today's episode, Anna and Avery cover six major stories from the past 24 hours. Blue Origin made history by reusing its New Glenn rocket for the first time -- but the upper stage deployed the BlueBird 7 satellite into the wrong orbit, forcing a deorbit. SpaceX delivered a clean GPS III SV10 launch for the US Space Force. Post-mission inspection of the Artemis 2 Orion capsule's heat shield provides initial good news after months of pre-flight controversy. A new MIT/WHOI planetary wave model reveals Titan's hydrocarbon seas could host 10-foot slow-motion waves from gentle breezes. The Lyrid meteor shower peaks Wednesday April 22 under ideal dark-sky conditions. And the Giant Magellan Telescope advances to its final design phase ahead of a crucial Congressional funding decision. Story Links Story 1 -- Blue Origin New Glenn NG-3 • Space.com: Blue Origin reuses New Glenn, deploys satellite to wrong orbit • TechCrunch: Blue Origin's New Glenn puts satellite in wrong orbit • GeekWire: Blue Origin reuses New Glenn; satellite goes into wrong orbit • CBS News: In its third flight, New Glenn puts satellite payload into wrong orbit Story 2 -- SpaceX GPS III SV10 • Space.com: Watch SpaceX launch GPS satellite for US Space Force -- April 20 • Spaceflight Now launch schedule -- spaceflightnow.com/launch-schedule Story 3 -- Artemis 2 Heat Shield • Space.com: Artemis 2 heat shield seems to have aced its trial by fire • Gizmodo: NASA sets the record straight on that missing chunk of Artemis 2's heat shield • NBC News: Did the Artemis II spacecraft protect the crew well enough? Story 4 -- Titan Waves / PlanetWaves • Space.com: Tall waves moving in slow motion -- how oily oceans on Titan may behave • Popular Science: Saturn's largest moon could see 10-foot waves from a tiny breeze • Journal of Geophysical Research: Planets (MIT/WHOI study) Story 5 -- Lyrid Meteor Shower • Space.com: Lyrid meteor shower 2026 -- when, where and how to see it • EarthSky: Everything you need to know -- Lyrid meteor shower 2026 • NASA: What's Up April 2026 skywatching tips -- science.nasa.gov Story 6 -- Giant Magellan Telescope • Space.com: This giant telescope could discover habitable exoplanets -- if it gets its funding • Giant Magellan Telescope official site -- giantmagellan.org Trivia Answer QUESTION: The Lyrid meteor shower is produced by debris from Comet Thatcher. Approximately how long does it take Comet Thatcher to complete one orbit around the Sun? ANSWER: Approximately 415 years. Comet Thatcher last visited the inner solar system in 1861 and is not expected to return until around 2276. The Lyrid shower occurs each year when Earth passes through the trail of debris it left behind. About Astronomy Daily Astronomy Daily is produced by the Bitesz.com Podcast Network. New episodes every day. Find us at astronomydaily.io and follow @AstroDailyPod for daily updates.
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WEBVTT
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Welcome to Astronomy Daily, your daily guide to everything happening
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in space and beyond. I'm anna, joined as always by Avery,
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and it is Monday, April twentieth, twenty twenty six. Welcome
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everyone wherever you're tuning in from.
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And what a weekend it was in the space world. Anna,
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big things happen while some of us were sleeping.
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You are not wrong. Today we have six stories that
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covered the full spectrum, from a rocket that pulled off
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a historic milestone and then immediately ran into trouble to
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some genuinely beautiful planetary science that will make you look
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at Saturn a little differently.
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Blue Origin is going to be the talk of the
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industry today. Big booster landing and a satellite in the
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wrong place. Stay with us, let's get into it. I'm
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ready if you are.
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Our lead story today takes us to Cave Canaveral, Florida,
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where yesterday Sunday, April nineteenth, Blue Origin made history and
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then a few hours later had a very bad morning.
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The roller coaster that is rocket science exactly. Let's start
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with the good news. Blue Origins New Glen rocket lifted
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off at around seven to twenty five Eastern time, yesterday
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on its third ever mission, designated NG three. But here's
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what made this one special. For the first time ever,
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Blue Origin was flying a previously used New Glen first stage.
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The booster nicknamed Never tell Me the Odds, had already
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flown once before, back in November last year on NG two.
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I love the booster names, and reusing an orbital class
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rocket is genuinely a big deal. BaseX has been doing
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it routinely for years now, but this was Blue Origin's
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first time proving New Glen can come back.
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And fly again, and it did exactly that. About three
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and a half minutes after liftoff, the first stage shut
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down and separated. Six minutes in Never tell Me the
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Odds came down and landed cleanly on Blue Origin's drone
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ship Jacqueline in the Atlantic Go Jeff Bezos shared video
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of the landing on social media, and Elon Musk, to
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his credit, offered, congratulations, that's.
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A sentence I didn't expect to say.
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Today, and yet here we are now the bad news.
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About two hours after launch, Blue Origin posted an update
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saying the upper stage had placed the payload, a Bluebird
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seven satellite for AST Space Mobile, into what they called
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an off nominal orbit, which is aerospace speak for the
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wrong orbit. How wrong lower than planned. AST Space Mobile
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confirmed that Bluebird seven had powered on and separated from
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the rocket successfully, but the altitude was too low to
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sustain operations. Their onboard propulsion couldn't compensate for the shortfall,
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and so the decision was made. Bluebird seven will be
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de orbited. It'll burn up in the atmosphere.
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That's a significant satellite. Bluebird seven was meant to deliver
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direct to smart phone cellular broadband from space. It would
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have joined AST's growing constellation. The good news is the
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satellite was covered by insurance and AST says they have
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Bluebirds eight, nine to ten nearly ready to ship, expected
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in about a month.
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And AST Space Mobile maintains their target of around forty
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five satellites in orbit by the end of twenty twenty
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six across multiple launch providers. So this is a setback,
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not a disaster for Blue Origin. They've proven the booster works,
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they now have some explaining to do about the upper stage.
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This was New Glenn's first payload loss and the investigation
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will be closely watched.
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The rivalry with SpaceX continues, and for now SpaceX's record
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on payload delivery is something Blue Origin needs to match.
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While Blue Origin was making news for all the wrong
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reasons with its upper stage yesterday, this morning, SpaceX provided
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a tidy contrast, a clean, routine launch of a GPS
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satellite for the UNA United States Space Force.
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The kind of mission SpaceX almost make look boring at
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this point.
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In the early hours of this morning, Monday, April twentieth,
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a SpaceX Falcon nine lifted off from Space Launch Complex
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forty at Cape Canaveral carrying GPS three space Vehicle ten.
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This is the tenth in the next generation GPS three series,
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which delivers three times better accuracy and up to eight
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times improved anti jamming capability compared to older GPS satellites.
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GPS touches everything navigation, financial transactions, emergency services, military operations.
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These upgrades matter enormously, even if the launches don't generate
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the drama of a Blue Origin mishap.
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The Falcon nine first stage returned to land as expected,
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Clean mission, clean delivery. SV ten joins its predecessors in
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the GPS constellation, which serves billions of people and devices
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every single day. Sometimes the best rocket stories are the
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ones with no surprises.
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If you've been following along with Astronomy Daily over the
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past few weeks, you'll know that the Artemis two mission
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has been one of our biggest editorial threads this season.
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The crew of four splashed down on April tenth after
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a ten day journey that took humanity back to the
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vicinity of the Moon for the first time since nineteen
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seventy two, and now we have some important post mission use.
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The heat shield appears to have done its job.
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This is a big relief for NASA. The heat shield
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on the Orion capsule, named Integrity by the crew, had
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a known design flow going into the mission. After Artemis
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one's uncrued test flight in twenty twenty two, engineers found
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that the avcot oblative material had cracked and broken off
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in ways they hadn't predicted. There was significant debate about
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whether to fly Artemis two with the same heat shield.
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NASA ultimately decided to proceed, but with a modified re
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entry trajectory steeper than originally planned to reduce the time
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the shield spent at peak heating temperatures, and that decision
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appears to have paid off. Artemis two commander read Wiseman
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led the crew in a visual inspection of integrity shortly
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after splashdown, and his assessment was encouraging. There was some
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char loss on the shoulder of the capsule, but the underside,
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which takes the brunt of re entry heating, looked, in
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Wiseman's own words, wonderful. He said.
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The crew just leaned under and looked at it, and
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four humans were satisfied with what they saw. That's a
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good sign. There was also social media speculation about a
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white patch visible in post splash down images, but NASA
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administrator Jared Isaacman addressed that directly the discoloration matched expected
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behavior in the compression pad area and had been replicated
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in pre flight testing no unexpected conditions.
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A full and engineering data review is still underway. This
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was not an uncomplicated heat shield, and NASA will be
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thorough and analyzing the re entry data. What we can
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say today is that all four astronauts read Wiseman, Victor Glover,
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Christina Coach and Canada's Jeremy Hansen came home safely, and
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NASA has confirmed this was the last mission for this
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particular heat shield design. Future Artemis flights will get a
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redesigned thermal protection system.
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And Artemis two commander Wiseman has said the mission bodes
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well for returning astronauts to the lunar surface. Is words,
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it's absolutely doable, and it's doable.
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Soon onwards and upwards.
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Literally time for some beautiful planetary science Thataturn's moon, Titan
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is one of the most extraordinary places in the Solar System.
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It has a thick atmosphere, rivers, lakes, and seas. The
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catch is that those seas are not water. They're liquid
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methane and ethane hydrocarbons, and a new study published in
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the Journal of Geophysical Research Planets has just given us
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our best picture yet of what the surface of those
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seas actually looks.
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Like, which is waves, enormous, surreal, waves.
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Enormous and slow. Researchers from MIT and the Woods Whole
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Oceanographic Institution developed a new wave modeling tool called Planet Waves,
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and when they applied it to Titan's hydrocarbon seas, the
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results were striking. On Earth, you need a decent wind
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to build significant waves. On Titan, a mild breeze, the
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kind you'd barely notice, could generate waves more than three
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meters tall or over ten feet. But here's the catch.
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Because of Titan's lower gravity and the different physical properties
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of liquid hydrocarbons compared to water, those waves would move
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in slow motion.
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The lead author describes it perfectly. She says, it looks
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like tall waves moving in slow motion. If you stood
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on the shore of one of Titan's seas, you'd feel
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only a soft breeze, but you'd see these enormous rollers
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coming toward you. It would feel completely wrong, deeply alien.
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And the planet waves model didn't stop at Titan. The
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team also modeled wave behavior on ancient Mars, back when
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it had liquid water, and on three exoplanets. One is
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a cool super earth called LHS one one four zero B,
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which may have oceans but whose strong gravity would suppress
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wave height. Another is a Venus like world with lakes
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of sulfuric acid, where only very powerful winds would generate
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even ripples. And then there's fifty five kncree E, a
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lava world, an ocean of molten rock with gravity so
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strong that even hurricane force winds would produce barely a ripple.
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This model is also genuinely useful for mission planning if
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we ever send a flow voting probe to Titan, and
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NASA's Dragonfly rotorcraft is heading there. Engineers need to know
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what kind of wave forces their hardware will face.
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Titan continues to surprise us. Every new model, every new instrument,
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every new angle. This moon just keeps getting more fascinating.
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From alien oceans to our own night sky. Because this
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week is a great week to be a stargazer in
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the Southern Hemisphere and really anywhere on Earth.
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The Lyrids are back.
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The Lyrids are back. One of the oldest recorded meteor
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showers in history, observations go back approximately twenty seven hundred years.
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The Lurid meteor shower peaks in the early hours of
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Wednesday morning, April twenty second, and this year viewing conditions
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are nearly ideal.
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The reason is the moon, after months of meteor shower droughts,
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the first significant display since the Quadrant Hids in early January,
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arrives this year with a crescent moon that sets after midnight,
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So from about about one or two in the morning
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on Wednesday through to dawn, the sky will be beautifully dark.
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For our listeners in Australia and New Zealand, that means
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a Wednesday morning April twenty second, from around midnight or
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one am onwards as primetime find the darkest sky. You
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can let your eyes adjust for at least half an
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hour and look toward the eastern sky near the constellation Lyra.
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Though the meteors themselves can streak anywhere across the sky,
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you're looking for up to fifteen to twenty meteors per
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hour under ideal conditions.
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The Lyrids are caused by debris left behind by comet Thatcher,
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which takes about four hundred and fifteen years to orbit
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the Sun. It was last in the Inner Solar System
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in eighteen sixty one and won't return until around twenty
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two seventy six, so the shower is a gift from
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a comet that none of us or our grandchildren's grandchildren
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will ever get to see directly.
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And the Lyriids are known for producing bright fireballs, not
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as frequently as the per Sads or Geminis, but they
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do happen, so it's worth staying out for a while.
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If you see something spectacular, share it. We'd love to
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hear from you.
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Our final story today takes us to the future of
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ground based astronomy and a pivotal moment for one of
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the most ambitious telescope projects ever conceived. The Giant Magellan
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Telescope in Chile has just entered its final design phase
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ahead of a critical funding decision that will go before
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the United States Congress.
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This is a telescope that could genuinely change what we
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know about the universe.
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Let's set the scene. We are living through the era
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of extremely large telescopes, a generation of observatories with mirrors
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in the twenty to forty meter range that will dwarf
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anything currently in operation. The European Extremely Large Telescope under
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full construction in Chile, has a thirty nine meter primary
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mirror and is on track to enter service in twenty
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twenty nine, will be the largest optical telescope on Earth.
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Then there are the two American entries. The Giant Magellan
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Telescope GMT being built at Las Campana's observatory in Chile
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with the twenty five meter aperture made up of seven
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enormous mirror segments, and the thirty meter telescope, also American
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lad both face more complex funding situations.
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The GMT entering final design phase is a significant milestone.
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It means the engineering is mature and the project is
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heading toward construction readiness, but the money needs to come
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through from the NSF. The science case is extraordinary, detecting
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Earth like planets around nearby stars and studying their atmospheres
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for signs of life, probing the nature of dark matter
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and energy, looking back at the first stars and galaxies.
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And the competition from China shouldn't be overlooked. China's shun
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Tea and Space Telescope is due for a twenty twenty
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seven launch and promises significant capability. The argument for funding
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the GMT is partly scientific and partly strategic. The United
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States has defined the boundaries of astronomy for decades, and
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falling behind now would have long term consequences.
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We will be following the congressional decision closely. For now,
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the GMT is moving forward and the universe is waiting patiently.
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I hope that's our six stories for today. Blue Origins,
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Mixed Morning, a clean SpaceX GPS launch, Artemis two's heat
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shield giving US post mission relief, slow motion alien waves
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on Titan, the Lyrids about to peak, and the giant
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Magellan Telescope heading toward its funding moment.
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Before we go trivia time. Here's today's question. The Lyrid
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