Why doesn’t anyone else besides me believe in time traveling?

I don’t know the answer to your question. However, consider this. We are not standing still. In time the Earth rotates around it’s axis, the Earth also rotates around the sun, the sun rotates around the galactic center and the galaxy is merging with Andromeda. We are therefore moving at hundreds of thousands of miles... Continue Reading →

Is Earth mentioned in the Star Wars universe?

Everybody wants to jump on this bandwagon and throw in their two cents. Remember: Star Wars took place A long, long time ago in a galaxy far, far away. Star Wars happened way in the past, not the future, perhaps even before the existence of Earth. Furthermore, it happened in a very distant galaxy, perhaps millions or... Continue Reading →

If two ships are travelling side be side at some major fraction of the speed of light (e.g. 90%) and are, say, 100 yards apart, would they be able to see each other out the portholes?

Great question, and you see, that’s what we mean when we say everything is relative. Your “speed” is always relative to something else. If you don’t compare it to something else, you might as well be standing still. Relative to you, the other spaceship is standing still. You are both just floating there while Earth quickly moves... Continue Reading →

How close to a black hole (with 10 solar masses) must you be before time for you is dilated significantly, compared to your crew’s, 1 million km out?

A thought experiment: I was imagining a scenario where a spaceship tethered their compatriot and lowered him near the event horizon & then pulled him back towards the spaceship before being pulled into the black hole. Wouldn’t time go by quicker for him? Would there be a discrepancy in their ages? Not very far away... Continue Reading →

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