Adam Cole

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.