Questions tagged [intergalactic-space]
Questions regarding the space or objects outside of galaxies.
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Could stars form outside of galaxies?
Is it possible for there to be a dense enough nebula to form stars outside of any galaxy? Does a galaxy have a minimum size to produce stars? Or could you have a few dozen stars clustered together by ...
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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 ...
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Looking for a Dwarf Galaxy < 500 L.y. in Diameter, which is not a Satellite / Companion, or is at least 500 000 L.y. away from another Galaxy
My goal is to learn about an example of a Dwarf Spheroidal or a Dwarf Irregular Galaxy which is not a Satellite / Companion Galaxy (or is at least 500 000 L.y. away from another Galaxy), and doesn't ...
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Is it likely that intergalactic stars would still retain their planets?
Given that we've discovered hundreds of intergalactic stars (IGs), and that most stars have planets, what do we know about the likelihood of IGs retaining their planets after being ejected from their ...
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Why stars are not visible in photos of Planets from space [duplicate]
The night sky from many parts of the Earth, away from any city lights and pollution, is full of starts, mostly the stars of the Milky Way Galaxy is what fills the night sky densely.
In many photos of ...
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Would Bussard Ramjets work in other places in or near the galaxy? [closed]
Sorry if this this doesn't really fit this forum, but WorldBuilding does not like questions like these. I cannot find the minimum density of hydrogen a Bussard ramjet (an interstellar ship propelled ...
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Could a planet be toss from a galaxy just like it's theorized rogue stars are?
According to this,
https://en.wikipedia.org/wiki/Intergalactic_star
Rogue stars are theorized to be the intergalactic space because of this,
The way these stars arise is still a mystery, but the ...
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What differentiates a "group of rogue stars" from a galaxy?
According to Wikipedia, a rogue star or intergalactic star is
not gravitationally bound to a galaxy.
But according to a citation on the same Wikipedia page, the first intergalactic stars were ...
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Why can I see the Andromeda Galaxy despite Milky Way's rotation?
Okay ... so, I woke up from a dream last night wherein I was (apparently) attempting to devise a time-keeping system for interstellar travel (similar to the stardate system used in Star Trek). In the ...
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What's the density of dark matter (clouds)?
How much mass per unit volume do known dark matter have, for instance in the Bullet Cluster? Does the density vary in space, for example, do individual dark matter structures have denser cores?
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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 ...
user14116
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Conventional matter to dark matter ratio, outside of galaxies
Consider say this outstanding diagram from another question,
To begin with galaxies have a typical density D. Intergalactic space has a much lower density d.
As we know: in galaxies (with density D) ...
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Would being ejected from the Milky Way Galaxy have any major impact on life on Earth? [duplicate]
I was reading about the impending collision of our galaxy with the Andromeda galaxy, and learned that there is a small possibility that our solar system could be ejected during the collision.
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Is it possible to have a part of space devoid of matter?
I have recently read this article and I am finding it a little hard to believe that there would be a place that is without matter. So, if there is a galaxy at the other side of the void, we would be ...
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What would the night sky look like if Earth orbited an intergalactic star?
If the Earth and its host star were located exactly in-between the Milky Way and Andromeda would the night sky be completely void of light?
Would stars be visible to the unaided eye?
So there could ...
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