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How do gravity and dark matter shape the galaxies and affect their environment?
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Do all galaxies have gravity?
Yes..where there is matter there is gravitational force..!
What holds the galaxies and solar systems together?
Galaxies are held together by gravity. So are Solar Systems. In the case of galaxies, and galaxy clusters, it isn't entirely clear what type of masses provide this gravity - the amount of known matter is simply too small, by a factor of 5-10. For more information, do some reading on "dark matter".
Do all galaxies follow the law of gravity?
That is what has been observed, except that spiral galaxies rotate faster than would be expected based on the matter we can see. Thus we infer the existence of dark matter in the rims of these galaxies. An alternative hypothesis is that something is terribly wrong with our theory of gravity. To the best of our knowledge the rules of physics are the same no matter where you go.
What is a big big idea for sapce and time?
The big idea for space and time is that the universe contains matter. Gravity and energy influence the formation of galaxies, and all matter of the universe.
Does gravity have an affect on mass?
No. Mass (e.g. grams) is a measure of matter, and is independent of gravity. Weight (e.g. pounds) is a measure of force and is directly related to gravity.
Do all galaxies have gravity?
Yes..where there is matter there is gravitational force..!
Does dark matter affect the brightness of galaxies?
By definiton, "dark" matter neither emits or absorbs light. Thus, it does not effect the brightness of galaxies.
Why are our galaxies separated?
For starters, if there were no separation between two (or more) galaxies, it would be considered a single galaxies, not two or more. The reason matter is clumped together into galaxies at all (with separations in between) is because of gravity - gravity tends to do that, i.e., to clump things together.
What holds the galaxies and solar systems together?
Galaxies are held together by gravity. So are Solar Systems. In the case of galaxies, and galaxy clusters, it isn't entirely clear what type of masses provide this gravity - the amount of known matter is simply too small, by a factor of 5-10. For more information, do some reading on "dark matter".
Does Gravity affect Matter?
Yes.
Do all galaxies follow the law of gravity?
That is what has been observed, except that spiral galaxies rotate faster than would be expected based on the matter we can see. Thus we infer the existence of dark matter in the rims of these galaxies. An alternative hypothesis is that something is terribly wrong with our theory of gravity. To the best of our knowledge the rules of physics are the same no matter where you go.
What is gravity and how does it affect matter?
Gravity is a force between any two masses.
What role did gravity play making the sun?
A crucial role. Without gravity, matter would never have gathered together, to form galaxies and stars.
What factors affect on specific gravity of matter?
water ...
What do all active galaxies have in common?
In theory, all galaxies originate from the Big Bang, which is the name that describes the explosion that propelled all matter into the cosmos. All galaxies are moving. All galaxies produce energy like light and gravity. Think of galaxies like you would human beings. Although very different in some ways, they are mostly the same.
What is big idea for space and time?
The big idea for space and time is that the universe contains matter. Gravity and energy influence the formation of galaxies, and all matter of the universe.
What is the big idea for space time?
The big idea for space and time is that the universe contains matter. Gravity and energy influence the formation of galaxies, and all matter of the universe.
