36:53

Surviving Sun's Red Giant Phase, True Color of Sunspots, Identifying Interstellar Objects | Q&A 214

40:38

Viruses from Mars, Asteroid Landing, Stars Colliding | Q&A 219

39:34

Why Don’t Jet Engines Melt?

37:28

Coldest Place in The Universe, Most Distant Solar System Object, Best Use for Starship | Q&A 261

39:16

Artificial Lights on Exoplanets, Sun's Black Dwarf Stage, Iron Asteroids | Q&A 202