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Series Title

Walkabout the Galaxy

Keywords

atmospheric chemistry; oceanic chemistry; supernova

Disciplines

Astrophysics and Astronomy | Physics

Description

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.

Date Created

7-7-2021

Item Type

Podcast

Type

article

Length of Episode

48:00

COinS