When did Catalyst Season 21 Episode 4 air?
Catalyst Season 21 Episode 4 aired on May 5, 2020.
Catalyst
Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.
Season 21 · Episode 4
Asteroid Hunters
May 5, 2020·30m
Asteroids are an ever-present threat to our survival, but as Astrophysicist Professor Tamara Davies discovers - they may also be responsible for kickstarting life on Earth.
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How long is Catalyst Season 21 Episode 4?
This episode runs for approximately 30 minutes.
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