All Questions
2
questions
4
votes
1
answer
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Is the gravitational effect of distant galaxies lost forever?
Hubble's law is usually expressed by the equation
$$v = H_0D$$
According to this equation, the space between us and very distant galaxies,
is expanding with a speed greater than the speed of light ...
user98038
8
votes
1
answer
253
views
How many galaxies could be the source of the recent LIGO detection?
The recent LIGO detection is pretty exciting, and a lot of people are asking whether there is a chance of optical detection of the black hole pair that created the signal. From a cursory reading of ...
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