Questions tagged [intergalactic-space]
Questions regarding the space or objects outside of galaxies.
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questions
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What is there in the intergalactic space?
What bodies can be encountered way outside galaxies - far beyond the farthest edges of galaxies, in the deep space between them? Are there single, galaxy-less stars, giant clouds of gas more dense ...
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Where does the Milky Way end?
I was reading this article
and it says the following:
Researchers measured the mass of the Milky Way and found that our galaxy is approximately half the weight of a neighbouring galaxy known as ...
8
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2answers
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Why is the Warm-Hot Intergalactic Medium (WHIM) so hot, and what is “collisionless shock heating”?
The Phys.org article Researchers find last of universe's missing ordinary matter says:
Ordinary matter, or "baryons," make up all physical objects in existence, from stars to the cores of ...
7
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3answers
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What is at the edge of the galaxy?
The solar system is thought to have a heliopause which can be considered its edge for many purposes:
The heliopause is the theoretical boundary where the Sun's solar wind is stopped by the ...
7
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1answer
974 views
When we say a galaxy is 200 million light years away, does this account for the expansion of space in the time it took it's light to reach us?
When we see a distant galaxy, the light we are watching started it's journey millions of years ago. In all that time, space has been expanding, so if the initial distance was A, right now the distance ...
