Do ALIENS exist? | An astrophysicist's perspective
18:31
Why the Earth exists because of Saturn | Migration of Planets
19:37
JWST's "too massive" galaxy problem solved?! | A non-universal IMF
13:35
The Horizon Problem | The Universe's biggest UNSOLVED mystery
18:56
How Will We (Most Likely) Discover Alien Life?
14:51
Could we ACTUALLY grow potatoes on Mars? | OVERTHINKING The Martian
50:48
What Happens If We’re Contacted By Aliens?
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The Big Misconception About Electricity
18:07