הפודקאסטים הטובים ביותר ב-Live Set (2024)

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The Hera Mission: Following Up on the DART Impact of Dimorphos 45:53

1d ago45:53

45:53

In September 2022, a small spacecraft called DART hit the surface of a tiny asteroid moonlet called Dimorphos. That spacecraft was the first test of a planetary defense system, attempting to change an asteroid's orbit in the hope of being able to do so under a real near-Earth threat. The test succeeded, shortening the moonlet's orbit by 32 minutes.…

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Into the Unknown with Kelsey Johnson, Ph.D. 33:45

9d ago33:45

33:45

The cosmos is full of huge questions: "What caused the Big Bang? What happens inside black holes? Are there other dimensions?" Scientists have been working to answer these questions, but sometimes, we feel like the answers are unknowable. Astrophysicist Kelsey Johnson contemplates what this paradox means for science, particularly where philosophy a…

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Looking for Life in All the Wrong Places: The Atacama, NASA Viking Experiments, and Salts 26:50

16d ago26:50

26:50

In 1976, NASA's two Viking spacecraft touched down on Mars, becoming the first successful landers on the red planet. On board Viking 1, the craft carried several biological experiments to search for life. While most scientists consider the results of those experiments to be negative for Martian life, one experiment gave a positive result. The resul…

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The Non Random Arts Collective: Exploring Habitability, Space Exploration, and Gene Editing 33:02

23d ago33:02

33:02

Suppose global warming raised temperatures so drastically that crops failed and caused world hunger. Would you support the idea of gene editing humans’ skin cells so that photosynthesis would become an alternative source of human nutrition? The Non Random Arts Collective, part of the SETI Institute’s Artist in Residence (AIR) program, explores fasc…

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Naked Eye Comets? October May Yield a Bounty 37:02

1M ago37:02

37:02

Comets are small objects in our solar system made of ice and dust. As they get closer to the Sun in their orbits, the ices turn into gas and give off a glow that can be seen in telescopes. With luck, that glow brightens to the point where a comet can be seen with the unaided eye. Some, like Halley's Comet, return on a regular schedule. Others are m…

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New Exoplanets Just Dropped! And Citizen Scientists Helped Find Them 38:45

1M ago38:45

38:45

Exoplanets are planets that orbit stars outside our solar system. We've been finding potential exoplanets more often since the Kepler and TESS spacecraft were launched. But confirming these planets takes time, and telescope time is limited. To speed up the process, amateur astronomers are using their own telescopes. One program, called UNITE (Unist…

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Europa Clipper is Go! Mission Passes Milestone Toward October Launch 36:24

2M ago36:24

36:24

In the quest to find life beyond Earth, icy worlds within our solar system are full of potential. Europa, one of Jupiter's four largest (Galilean) moons, is one possible target because of the vast ocean beneath its icy shell. That ocean, heated by the push and pull of Jupiter, could contain life. The Europa Clipper mission will send a spacecraft to…

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Finally! An Intermediate-Mass Black Hole 35:26

2M ago35:26

35:26

There are supermassive black holes. There are stellar mass black holes. And based on the idea that galaxies evolve as they merge, there should be black holes in between -- intermediate mass black holes. However, finding these middle-of-the-road beasts has been difficult. Now, a new paper in Nature identifies the first ever mid-size sedan in a unive…

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Hot, Young Supernova Remnant! JWST Observations of Cas A Challenge Scientists 36:11

2M ago36:11

36:11

When a star at its life's end explodes, a debris cloud expands away from the now-dead star. The debris forms intricate and amazing structures in the expanding cloud and can cause the formation of a variety of molecules. Using the James Webb Space Telescope, scientists have collected information regarding Cassiopeia A (Cas A), the youngest known sup…

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Pollution on Exoplanets? Using Greenhouse Gases as Signs of Civilization 35:04

2M ago35:04

35:04

Scientists now can work out what the atmospheres of worlds outside our solar system are made of. Using the James Webb Space Telescope, we have seen water, carbon dioxide, methane, and other gases. Could we, from this distance, know how those gases formed? Possibly. Looking for planets with signs of being intentionally changed - terraforming - would…

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55 Cancri e: A Rocky World with a Thick Atmosphere with Renyu Hu, JPL 29:43

3M ago29:43

29:43

A super-Earth in a distant star system may explain what Mars, Venus, and Earth were like billions of years ago -- incredibly hot and covered in magma oceans. Those oceans may have supplied the planets with early atmospheres full of gases needed for life. While Venus's atmosphere became thick and heavy and Mars couldn't hold on to its atmosphere, Ea…

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The Secret Life of the Universe with Nathalie Cabrol 33:18

3M ago33:18

33:18

"The Secret Life of the Universe" by Dr. Nathalie Cabrol, the SETI Institute's chief scientist and Director of the Carl Sagan Center at the SETI Institute, is coming out this week, both in the US (August 13, 2024) and in the UK (August 15, 2024). Scriber/Simon & Schuster publishes both editions. Cabrol articulates an overview of where we stand toda…

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The Future of AI & Space Science with CEO Bill Diamond 55:35

3M ago55:35

55:35

Join SETI Institute CEO Bill Diamond as he explores NASA's AI-driven mission planning, data analysis, and anomaly detection. Since 2015, the SETI Institute’s Frontier Development Lab (FDL) has partnered with NASA, using machine learning (ML) to classify data, predict outcomes, and uncover trends. With FDL's support, ML tools automate tasks, streaml…

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Black Hole Awakens ft. Dr. Paula Sánchez-Sáez 33:54

3M ago33:54

33:54

In late 2019, an unremarkable galaxy with the catalog number SDSS1335+0728 suddenly started shining brighter than ever. Curious as to why, astronomers used data from space and ground-based observatories to track changes in the galaxy’s brightness and concluded that we are witnessing the sudden awakening of the massive black hole at the galaxy's cor…

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The Shores of Titan: Crashing Waves and Coastal Erosion ft. Dr. Rose Palermo, USGS 30:02

4M ago30:02

30:02

Imagine standing on the shore of a vast lake, watching the waves crash against the beach after a storm. Now put that beach on Saturn's largest moon, Titan, where the lakes contain liquid methane and ethane. Perhaps do not imagine yourself there after all, but enjoy the thought that even with the unfamiliar and hazardous contents, lakes on Titan are…

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Gliese 12 b: A Promising Earth-to-Venus-Sized Exoplanet 28:40

4M ago28:40

28:40

When scientists found the first exoplanets over 30 years ago, the discovery defied all expectations. In the following decades, with the advent of NASA's Kepler and TESS missions and numerous ground-based observatories, the exoplanet count has risen to nearly 6,000 confirmed worlds and some 7,200 candidates. Press releases on newly confirmed planets…

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More Active Volcanoes on Venus!: A New Archival Study Finds Evidence of Further Eruptions 32:01

4M ago32:01

32:01

In 2023, scientists analyzed archival data from NASA's Magellan mission, which mapped the surface of our "twin" planet, Venus. They discovered evidence of a recent volcanic eruption on the world's surface by comparing the Magellan images over time. Now, a team of Italian scientists has found evidence for two more eruptions during Magellan's observa…

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Alien Earths: The New Science of Planet Hunting in the Cosmos ft. Lisa Kaltenegger 43:03

5M ago43:03

43:03

Are we alone? This question continues to tantalize and mystify scientists and the public alike, wondering if Earth contains not only the one known sample of life in the Universe but also the ONLY life in the Universe. In her new book, Alien Earths, astrophysicist Lisa Kaltenegger (founding director of Cornell University's Carl Sagan Institute) "dem…

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Asteroid Institute Identifies 27,500 New Asteroids! 18:30

5M ago18:30

18:30

In a collaboration between the Asteroid Institute and Google Cloud, machine learning algorithms identified 27,500 new asteroids using existing data sets from the NOIRLab Source Catalog Data Release 2 (NSC DR2). While most of the asteroids are in the main belt between Mars and Jupiter, more than 100 are considered Near-Earth Asteroids. Developed by …

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James Webb Telescope Unveils Wild Weather on WASP-43 b 30:55

5M ago30:55

30:55

Scientists have used NASA’s James Webb Space Telescope to map the weather on the hot gas-giant exoplanet, WASP-43 b. Through precise measurements of mid-infrared light and advanced 3D climate models, they've discovered some fascinating details: thick, high clouds cover the nightside; clear skies dominate the dayside; and equatorial winds race at sp…

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Exploring Hydrothermal Vents: Earth's Deep Ocean as a Model for Alien Worlds 34:57

5M ago34:57

34:57

The INVADER project researches ways to improve life detection in ocean worlds by studying alien worlds in Earth’s deep ocean. We seek to understand how we can detect life in the deep ocean here on Earth with flight-ready instruments (e.g., can go on a space flight mission). The deep ocean is a testing ground to help us validate what data collected …

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Celebrating Andrew Siemion, Drake Award Recipient 2024 for SETI Leadership and Contributions 29:16

6M ago29:16

29:16

The SETI Institute is pleased to announce that Dr. Andrew Siemion will be honored with the prestigious 2024 Drake Award for his exceptional and pioneering contributions to SETI and radio astronomy and his leadership in the field. Siemion's distinguished career includes his role as the Bernard M. Oliver Chair for SETI at the SETI Institute, Principa…

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T Coronae Borealis: The Nova of a Lifetime (ft. Unistellar) 32:36

6M ago32:36

32:36

T Coronae Borealis, or T CrB, is a well-studied nova system in the constellation Corona Borealis. In fact, T CrB produces a recurring nova — one of only five known in our galaxy — that erupts approximately every 80 years, making this a once-in-a-lifetime event. Astronomers predict that the star will explode again within the coming year, likely befo…

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Exploring a Hot, Young World: The Closest and Youngest Earth-sized Planet Discovered 31:38

6M ago31:38

31:38

In a groundbreaking discovery, astronomers have identified an Earth-sized planet closer and younger than any previously known. Positioned remarkably close to both our planet (73 light-years away) and a Sun-like star, this newly found world offers a unique opportunity for scientists to study the evolution of planets. Catalogued as HD 63433 d, this h…

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Into the "Deep Sky": NASA's Webb Telescope on IMAX® with director Nathaniel Kahn 34:15

6M ago34:15

34:15

The documentary short "Deep Sky" takes viewers on a breathtaking journey through space and time, showcasing stunning imagery captured by NASA's Webb Telescope on the giant IMAX® screen. Directed by acclaimed filmmaker Nathaniel Kahn and narrated by Michelle Williams, the film delves into the monumental effort behind the telescope's construction and…

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Giant Volcano Discovered on Mars ft. Pascal Lee 1:08:23

7M ago1:08:23

1:08:23

A deeply eroded giant volcano, active from ancient through recent times and with possible remnants of glacier ice near its base, had been hiding near Mars’ equator in plain sight. Its discovery points to an exciting new place to search for life, and a potential destination for future robotic and human exploration. “We were examining the geology of …

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Earth as an Exoplanet: Using Remote Sensing Data to Find Habitable Worlds 28:41

7M ago28:41

28:41

A potential future space mission known as the Large Interferometer for Exoplanets (LIFE) could study terrestrial worlds in their stars' habitable zones (where water can be liquid) using spectral emissions in the mid-infrared. With only one known example of a world with life - Earth - scientists recently examined whether or not such a mission could …

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Unveiling the Secrets of Enceladus 34:28

7M ago34:28

34:28

Join us for a live discussion with senior planetary astronomer Franck Marchis and planetary scientist Beth Johnson as they delve into the thrilling search for life on Saturn's icy moon, Enceladus. Drawing on recent findings highlighted by Universe Today and ESA, Franck and Beth will explore the significant implications of a single grain of ice pote…

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Electric Mayhem: TRAPPIST-1e's Atmospheric Erosion 34:08

7M ago34:08

34:08

The TRAPPIST-1 planetary system has fascinated both scientists and the public since the discovery of the last five of its seven terrestrial worlds in 2017. With four of those planets in the so-called habitable zone, where water can be liquid, the system has become a favorite target of ground- and space-based telescopes alike, especially with regard…

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Dante Lauretta, The Asteroid Hunter 37:11

8M ago37:11

37:11

A tale of destiny and danger, The Asteroid Hunter chronicles firsthand the high-stakes OSIRIS-REx Asteroid Sample Return Mission, narrated by Principal Investigator Dr. Dante Lauretta. It offers readers an intimate glimpse into the riveting exploits of the mission and Dr. Lauretta's wild, winding personal journey to Bennu and back. Peeling back the…

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SETI Artist In Residence Program: Xin Liu’s Inward Expeditions 49:13

8M ago49:13

49:13

Nimbly combining the tools of art and science, SETI Institute Artist in Residence Xin Liu expresses what it means to be human through a diverse body of work that includes frost-coated sculptures, a bubbling fountain of crude oil, and a performance in outer space. In a new body of sculptures exhibited at Pioneer Works in New York City, the artist co…

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On the Trail of Fireballs: Tracking Meteors and Finding Meteorites 54:46

8M ago54:46

54:46

Only eight times in history have scientists found an asteroid, tracked its trajectory toward Earth, and caught the resulting fireball on cameras. The latest of these eight events happened in January 2024, with the discovery of asteroid 2024 BX1, a mere three hours before impacting the atmosphere over Europe. And of course, the SETI Institute's own …

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A Celestial Collaboration: Unistellar Citizen Scientists Track Comets 35:55

8M ago35:55

35:55

Throughout human history, comets have fascinated us. They have gone from signs and portents of bad things to come to well-studied and even visited "dirty snowballs". Every year, observers search the skies, hoping to discover the Next Big Comet - Halley, Hyakutake, Hale–Bopp, McNaught. From SOHO and LINEAR to ATLAS and IRAS, numerous observatories h…

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Under Alien Skies ft. Phil Plait, Ph.D. 39:22

8M ago39:22

39:22

Phil Plait, aka the Bad Astronomer, has been communicating and correcting space science since the turn of the century (sorry, Phil!). His first book, "Bad Astronomy", tackled numerous misconceptions and myths about astronomy and space missions. His second book, "Death from the Skies!", took a look at a variety of ways the world will end. Now, in hi…

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From Earth to Mars: The Incredible Story of the Ingenuity Helicopter 30:18

9M ago30:18

30:18

With a first flight on April 19, 2021, NASA's Ingenuity helicopter broke ground on new capabilities for remote planetary missions. For nearly three years, the little drone far exceeded the originally planned technology demonstration of up to five flights, taking off and landing 72 times! Sadly, damage to the rotor blades has now left Ginny grounded…

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The Mysterious Ocean of Saturn’s Moon, Mimas 30:57

9M ago30:57

30:57

Join us for an exciting SETI Live where we’ll explore the wonders beyond Earth. We’re excited to have Valery Lainey, a renowned researcher from the Paris Observatory in France, as our guest. Franck Marchis, our Senior Astronomer, will be guiding the conversation, sharing insights from the universe. It’s set to be an engaging event, and we hope you’…

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The COSMIC Project at the Karl G. Jansky Very Large Array 25:47

9M ago25:47

25:47

In a groundbreaking cosmic quest, the SETI Institute’s Commensal Open-Source Multimode Interferometer Cluster (COSMIC) at the Karl G. Jansky Very Large Array (VLA) is expanding the search for extraterrestrial intelligence (SETI). This cutting-edge technology is not a distinct telescope; it’s a detector. COSMIC searches for extraterrestrial signals …

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Ganymede's Alien Landscape: Salt, Organics, and Extraterrestrial Clues 29:59

9M ago29:59

29:59

NASA’s Juno mission has observed mineral salts and organic compounds on the surface of Jupiter’s moon Ganymede. Data for this discovery was collected by the Jovian InfraRed Auroral Mapper (JIRAM) spectrometer aboard the spacecraft during a close flyby of the icy moon. The findings, which could help scientists better understand the origin of Ganymed…

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"A City on Mars" with Kelly and Zach Weinersmith 32:15

10M ago32:15

32:15

Critically acclaimed, bestselling authors Kelly and Zach Weinersmith (Saturday Morning Breakfast Cereal) set out to write the essential guide to a glorious future of space settlements, but after years of research, they aren’t so sure it’s a good idea. Space technologies and space business are progressing fast, but we lack the knowledge needed to ha…

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Unveiling the Future of Amateur Astronomy: Unistellar’s ODYSSEY Telescope 37:44

10M ago37:44

37:44

Join us for an exclusive SETI Live event, as we take a first look at the next-generation telescope from Unistellar - the ODYSSEY. First introduced in 2017 with their eVscope, Unistellar has been a prominent collaborator with the SETI Institute since 2019. eVscopes have been used by schools, colleges, and the public to observe exoplanets, supernovae…

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What to Expect in 2024 in Space 44:55

10M ago44:55

44:55

The new year has begun, and it's time for your favorite hosts - Franck Marchis and Beth Johnson - to run down some of the space science to look forward to in 2024. We will talk about launches, missions, celestial events (including a certain solar eclipse), and even SETI Institute's 40th anniversary. So come watch live and bring your questions!…

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Tracking Santa - Around the World in a Night 25:44

10M ago25:44

25:44

For our last SETI Live of 2023, senior astronomer Seth Shostak and communications specialist Beth Johnson have fun chatting about the "science" behind Santa's overnight journey. How can he deliver presents so quickly? How do the reindeer fly? And just how did NORAD's Santa Tracker come about? Join the holiday shenanigans and watch live! (Recorded 2…

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Drifting Signals: New Boundaries for Radio Technosignatures 24:48

10M ago24:48

24:48

In a new study published in the Astronomical Journal, researchers used the known population of exoplanets to set better thresholds for planetary effects on signals from ETIs (extraterrestrial intelligences). Megan Grace Li, a Ph.D. student at UCLA in UCLA SETI, conducted this research as a National Science Foundation Research Experience for Undergr…

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“The Big One”: The Most Powerful Marsquake Ever Detected 25:21

10M ago25:21

25:21

On Earth, we understand how and where earthquakes happen due to the discovery of plate tectonics – the continental crust’s creation, movement, and destruction. However, when astronauts placed seismometers on the lunar surface during NASA’s Apollo mission era, those instruments recorded quakes on the Moon. In the 1970s, the Viking landers also recor…

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Defending the Planet - DART and Future Missions 30:11

11M ago30:11

30:11

The Universe is trying to kill us. We know an asteroid wiped out the dinosaurs, which was great for the rise of mammals, but how do we prevent a similar fate for humanity? Enter the Double Asteroid Redirection Test (DART) mission, NASA's first attempt at planetary defense by redirecting the orbit of an asteroid's moon. DART launched in November 202…

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Women With Impact, a conversation with SETI AIR Director Bettina Forget 34:26

11M ago34:26

34:26

Look at a Moon atlas, and you’ll see a land populated with the names of philosophers, mathematicians, and astronomers. Great men like Plato, Aristarchus, Kepler, Galileo, Newton, and Planck have been immortalized by naming Moon craters after them, cementing their names in the firmament. But – what about the women? Out of the 1,578 cataloged and nam…

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Evidence of (16) Psyche’s Metallic Nature Found with SOFIA 29:16

12M ago29:16

29:16

Led by Anicia Arredondo, researchers used the Stratospheric Observatory for Infrared Astronomy (SOFIA) to investigate the metallic nature of the asteroid Psyche, believed to be rich in metals. SOFIA observed the entire surface of Psyche, using mid-infrared instruments to analyze its emissivity and porosity. The results confirmed that Psyche is a me…

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An Abundance of Space Rocks - The OSIRIS-REx Sample Revealed 35:25

12M ago35:25

35:25

Launched on Sept. 8, 2016, the Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer, or OSIRIS-REx, spacecraft traveled to a near-Earth asteroid named Bennu (formerly 1999 RQ36) and collected a sample of rocks and dust from the surface. The spacecraft flew by Earth on Sept. 24, 2023, delivering the capsule conta…

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Volcanism on Exoplanets - New Insights from JWST and Beyond 33:54

12M ago33:54

33:54

Up until now, the quest to find evidence of active volcanism on other worlds has been limited to our own solar system. We've definitively seen volcanoes erupting on Jupiter's moon, Io; we've possibly found evidence of geologically recent volcanism on Venus; and Mars has the largest volcano, although dormant, in Olympus Mons. With the advent of the …

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Hot Spot on the Moon - Granite Batholith Found Below Surface 31:36

1y ago31:36

31:36

The Apollo missions showed scientists that the craters on the Moon were from impacts rather than volcanoes, overturning previously held hypotheses. Now, new research using data collected by China's Chinese Chang’E 1 and 2 orbiters has discovered a hot spot under the surface. Using an instrument that made observations at microwave wavelengths, the t…

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