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Results tagged with space
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user 38213
For questions related to outer space, stellar systems, stars and other astronomical phenomena.
2
votes
How can I find local stars that are 'gravitationally bound', i.e. moving together?
To figure out a star's motion relative to another star, all that is necessary is to measure both stars' velocity relative to us and transform the measurement into the reference frame of one of the sta …
- 244
7
votes
Accepted
Observing the age of the Universe when orbiting a black hole
It is nearly impossible for a planet in orbit around a black hole to experience enough time dilation to make a significant difference in the age of the universe. This is because the innermost orbit ar …
- 244