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What did many astronomers believe about galaxies in the 1920s?
Among other things, that they were static in space
Billions of years ago galaxies existed in?
Galaxies. They are just about the same now as they were then. 14 Billion years ago, astronomers believe that the "Big Bang" created matter from energy, which is how they believe galaxies were formed.
Who thought of galaxies?
astronomers did
Why do the astronomers believe the early universe was hot and dense?
Because there is a belief that the galaxies move away from you once you walk
Will astronomers do all the redshifts of the 100 billion galaxies in the universe?
Perhaps in the future astronomers will do all the redshifts of the 100 billion galaxies in the universe.
If light from galaxies is redshifted what can astronomers conclude about galaxies?
That the galaxy is moving away from us.
Will astronomers measure all the distances of the 100 billion galaxies in the universe?
It is possible that someday astronomers will measure all the distances of the 100 billion galaxies in the universe.
Why do astronomers theorize that most of the matter in galaxies and clusters of galaxies is dark matter?
most of the mass in a cluster of galaxies is invisible, which provides astronomers with the strongest evidence that the universe contains a great amount of DARK MATTER
Why do astronomers theorize that most of matter in galaxies and clusters of galaxies is dark matter?
most of the mass in a cluster of galaxies is invisible, which provides astronomers with the strongest evidence that the universe contains a great amount of DARK MATTER
What did many astronomers about galaxies prior to the 1920's?
The Milky Way, included every object in space
How galaxies discovered?
They were discovered by astronomers using telescopes.
Will astronomers name all the designations of the 100 billion galaxies in the universe?
It highly likely that astronomers will name all the designations of the 100 billion galaxies in the universe in this lifetime.
