Posts

How would you build a long term lunar colony since the moon has no atmos...

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Distant galaxies and the expansion of the universe.

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This one is definitely better in video. 
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Are any companies making space stations or is all focus on Mars?

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Today's video is about Space Stations.   \
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What is the redshift of the Andromeda Galaxy.

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Andromeda actually has a NEGATIVE redshift, meaning it is blue shifted or moving towards us instead of away from us.  Here is my youtube video on the topic. 
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I saw something that looked like a star but was moving, what was it?

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Why don't black holes swallow the universe?

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Original Question I answered.  Yes I tried to create a click bait headline.  No, I am not apologizing.  Sorry, not sorry.  :-) https://www.quora.com/unanswered/If-black-holes-have-infinite-gravity-then-why-cant-black-holes-attract-every-object-in-the-universe-no-matter-how-far-the-object-is-If-the-gravity-is-infinite-then-the-gravitational-pull-would-be-infinite-right-1
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