[no.9] did you know? (iii)

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1. If you and I are in separate space ships both traveling fast, there’s literally no possible way to determine if I am staying still and you are moving, or if you are staying still and I am moving, or if we are both moving. Also, from your perspective time will flow normally for you and slower for me, but from my perspective time will flow normally for me and slow for you.

•Basically in space everything, including time, is relative.

2. We could colonise the moon by 2022 and it would cost less than an aircraft carrier.

Humanity could build a functioning colony on the moon for $10 billion.

3. The opposite of black holes are estimated to be white holes which spray out matter and light like a fountain.


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4. The gold you have in your bracelet, earring, or necklace? It was forged in the heart of a dying star much larger than our own, in a brilliant and enormous explosion that, for a moment, outshone the entire galaxy.

5. In Star Wars, when Luke looks at the setting binary stars, he is likely on a planet far from both stars. If the planet is far enough, the two "suns" are just one gravitational mass that the planet orbits around.

 If the planet is far enough, the two "suns" are just one gravitational mass that the planet orbits around

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•The binary star system in the movie is the twin suns of the Tatoo System.  

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