Rubble Pile Asteroids May Be Extinct Comets

Rubble Pile Asteroids May Be Extinct Comets

After detecting high levels of organic matter using remote sensors at the asteroid Ryugu, numerical models show that it’s possible that rubble pile asteroids are actually extinct comets. Plus, the Cosmic Optical Background, Enceladus’s tiger stripes, and this week in rocket history, we look back at STS-45.

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Special Edition: Space Science and the Russia-Ukraine War

Special Edition: Space Science and the Russia-Ukraine War

Today we’re going to discuss the repercussions to space science of Russia’s invasion of Ukraine. Some people may find this subject upsetting, and if you need to skip this episode, we understand. We’re going to take a look at Roscosmos and how space corporations and nations are imposing sanctions that impact how, when, and what we send to space.

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Hubble Working Again, Landsat 9 Releases Images, Crew 2 Returns

Hubble Working Again, Landsat 9 Releases Images, Crew 2 Returns

After a bit of a scare, the aging Hubble Space Telescope has once again resumed its science operations with the ACS instrument brought back online. Plus, Landsat 9 released its first images and the Crew 2 Dragon splashed down safely. Then we interview Dr. Rosanne Di Stefano from the Center for Astrophysics about the potential discovery of the first extragalactic planet.

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