Artemis II’s AVATAR and a sungrazing comet

Artemis II’s AVATAR and a sungrazing comet

April 1, 2026 · 1h 1m

About this episode

Lisa Carnell discusses the AVATAR experiment on Artemis II, and Alain Maury shares his discovery of a sungrazing comet.

Lisa Carnell, Director of NASA's Biological and Physical Sciences Division, explains AVATAR, the experiment flying organ chips grown from astronaut cells on Artemis II. Then, asteroid hunter Alain Maury tells the story of discovering a sungrazing comet that could become one of the most spectacular in decades.

People in this episode

Guests: Lisa Carnell, Alain Maury

Topics covered

Keywords

Mentioned in this episode

Organizations: NASA

Products: AVATAR

Places: sungrazing comet

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