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For example, galaxies are very large, very massive, very bright, and (most of them) very far away from us.
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∙ 9y ago
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Do galaxies at very large distances look distorted?
True
What is the difference between galaxies and the universe?
A universe is a very big realm of darkness with galaxies in it. and there are billions of galaxies in the universe! One of those galaxies is our solar system, and in that solar system is our planet. There probably is even more then just one univserse. O_o Well... Galaxies are within the universe and a universe is defintly bigger then a galaxy
What is tough to be at the very center of all galaxies?
Perhaps you mean "thought to be"? - It is believed that all, or most, galaxies have a supermassive black hole at their center.
Why some elliptical galaxies are lens shaped where as others are quite spherical?
Very lens-shaped elliptical galaxies have a high amount of reddish stars. Hence both their shape (the "spiral arms" have pulled inward over time) and the color of the stars implies they are very old galaxies. Spherical galaxies - I'm not up enough on that topic, so I will leave that part of the answer to another.
When scientists look at very distant galaxies through powerful telescopes they see the galaxies as they were millions or billions of year ago. Why is this?
The vast distances involved means that the light we see left those galaxies a long time ago.
Are galaxies important?
Galaxies are very important in the expansion of the universe.
Are elliptical galaxies very bright and old?
Elliptical galaxies are generally old but not very bright
Do galaxies form quickly?
noo, very very slowly :)
Why isn't the look-back time important among nearby galaxies?
Galaxies change very slowly.
What the difference between universe and galaxies?
A universe is a very big realm of darkness with galaxies in it. and there are billions of galaxies in the universe! One of those galaxies is our solar system, and in that solar system is our planet. There probably is even more then just one univserse. O_o Well... Galaxies are within the universe and a universe is defintly bigger then a galaxy
What are galaxies that have very bright centers and very little dust or gas called?
elliptical
Do galaxies at very large distances look distorted?
True
Are some galaxies very small and have only a few thousand stars?
These small galaxies are believed to be the result of collisions between larger spiral galaxies. During such collisions pieces of the spiral arms get flung out into space, becoming small irregular galaxies.
What is the difference between galaxies and the universe?
A universe is a very big realm of darkness with galaxies in it. and there are billions of galaxies in the universe! One of those galaxies is our solar system, and in that solar system is our planet. There probably is even more then just one univserse. O_o Well... Galaxies are within the universe and a universe is defintly bigger then a galaxy
What is the universe like outside the galaxy?
There are other galaxies. Between the galaxies, there's lots of mainly empty space, with a very tenuous gas.
How all galaxies are similar?
they all contain billions of stars that orbit the center of the galaxy. all galaxies are also moving very slow.
What is tough to be at the very center of all galaxies?
Perhaps you mean "thought to be"? - It is believed that all, or most, galaxies have a supermassive black hole at their center.
