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Adam Cole

Updated at 5:15 p.m. ET Sept. 14

The Cassini spacecraft's final moments are a few hours away. Early Friday morning, it will slam itself into Saturn's atmosphere.

In July of 1878, Vassar professor Maria Mitchell led a team of astronomers to the new state of Colorado to observe a total solar eclipse. In a field outside of Denver, they watched as the sun went dark and a feathery fan of bright tendrils — the solar corona — faded into view.

NPR's YouTube channel, Skunk Bear, answers your science questions. This week, we picked one in honor of David Bowie.

This winter brings the latest installment of the Star Wars franchise, full of familiar costumes, familiar villains, and the familiar "pew pew pew" of space guns. But you can skip the movie theatre and still hear those iconic blaster sounds if you visit a frozen lake.

Grant Ernhart works with the U.S. Biathlon Team, so he spends a lot of time among snow-capped mountains. From the Canadian Rockies, he lobbed a question to Skunk Bear, NPR's science YouTube channel.

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