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Why are the galaxies divided into three major types?
Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance.Hubble sequence is a morphological classification scheme for galaxies invented by Edwin Hubble in 1936.he divided the galaxies into 1) elliptical galaxies2)Spiral galaxies3)Lenticular galaxiesSource:wikipedia
Do Astronomers use microwaves to learn about the structures of galaxies?
they usually use super computers
Who thought of galaxies?
astronomers did
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.
What is the unit that astronomers use to measure the differences between stars and other galaxies?
They do not use units: they use the fact that stars are not galaxies. For example, you don't use units to measure the difference between children and countries.
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
How many galaxies do astronomers believe there are?
Billions. (rounded)
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.
