On Wednesday, NASA’s Artemis II mission launched, kicking off on a roughly 10-day trip that will carry four astronauts around the moon and back to Earth. The flight is another test of the Space Launch System rocket and the Orion capsule that are intended to be used for an eventual crewed lunar landing.

Space reporter Brendan Byrne joins Producer Kathleen Davis to share his impressions of the launch and what’s ahead for the Artemis program. Then, moon book author Rebecca Boyle joins the discussion to tackle an important listener question: What if Earth didn’t have a moon?

Guests:

Brendan Byrne is the host of the “Are We There Yet?” podcast, and assistant news director for Central Florida Public Media in Orlando, Florida.

Rebecca Boyle is a science journalist and author of “Our Moon: How Earth's Celestial Companion Transformed The Planet, Guided Evolution, And Made Us Who We Are.”

Transcripts for each episode are available within 1-3 days at sciencefriday.com.

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Artemis II test flight heads toward the moon