Astrophysicist Neil deGrasse Tyson tackles everything from moon explosions to Superman's time-traveling tricks in his new book, "Just Visiting This Planet, Revised and Updated for the Twenty-First Century: Further Scientific Adventures of Merlin from Omniscia," introducing readers to Merlin, an alien character he created early in his career.

"Back then, you could have a simple question, but you couldn't get an easy answer," Tyson said on "CBS Mornings" on Friday. "Now, you can type anything into Google, into ChatGPT. If you have ever seen those replies that come in from AI, it's got no soul. It's got no personality."

He says the questions he gets today are more playful and imaginative.

"People are now asking questions that are a little more fun, rather than, 'How hot is the sun?'

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