Mailbag: What would happen if the Moon disappeared? How big is the universe, really? Are there atoms in a black hole?

What would happen if the Moon disappeared? How big is the universe, really? And what happens to atoms inside a black hole? Marshall and Lindsay get the answers to some cosmic questions in this special mailbag episode!

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Watch the Joke-ha-thon here!

Other Tumble episodes mentioned in this mailbag:

"What Would Happen If There Was No Moon?" (in Spanish).

"The Quest for the Edge of the Universe with Katie Mack"

"How Big is the Universe?"

Cataloging the Universe - Audio Course