EPISODE · Jul 7, 2021 · 48 MIN
Things that Blow. And Clocks.
from Walkabout the Galaxy
In another wide-ranging episode, we discuss how atmospheric and oceanic chemistry changes wiped out most life on Earth 250 million years ago, the best evidence yet for a third type of supernova, and the importance of timekeeping for astronomy and space missions. We also have historical clock trivia and a lot of space news to share.
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Things that Blow. And Clocks.
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This episode was published on July 7, 2021.
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