A published Selection

What is actually out there

10 videos, 3 h 19

10 videos on the solar system, the things that could hit it, and the questions astronomers still argue about. Start at the top and stop when you have enough.

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01
The Solar System -- our home in space
Kurzgesagt – In a Nutshell
A tour of the 8 planets and how the whole arrangement holds together. The right first video.
02
What Happens if the Moon Crashes into Earth?
Kurzgesagt – In a Nutshell
A thought experiment that teaches orbital mechanics better than any diagram.
03
What If Earth got Kicked Out of the Solar System? Rogue Earth
Kurzgesagt – In a Nutshell
What the sun actually does for us, shown by taking it away.
04
Can Humanity Stop A Planet-Killing Asteroid?
Kurzgesagt – In a Nutshell
What we would really do about an incoming asteroid, and what we have already tested.
05
The Most Extreme Explosion in the Universe
Kurzgesagt – In a Nutshell
Gamma ray bursts, and why the biggest events in the sky are the briefest.
06
What Do Alien Civilizations Look Like? The Kardashev Scale
Kurzgesagt – In a Nutshell
The standard scale for measuring how much energy a civilisation could command.
07
Why Alien Life Would be our Doom - The Great Filter
Kurzgesagt – In a Nutshell
Why an empty sky might be the more worrying answer. Watch after the Kardashev video.
08
How to Move the Sun: Stellar Engines
Kurzgesagt – In a Nutshell
Engineering at the scale of a whole star system, taken seriously.
09
What We Found on the Icy Moons of Saturn
Astrum Extra
Real spacecraft data on Enceladus, Titan and the water hiding under the ice.
10
Something Is Wrong With Saturn's Moon Rhea
Astrum
A close look at a single strange moon and what its surface is telling us.