because . they want to look at a star one moment then go back and see if it moved or if the star is in the same place . that's mainly what the are searching for.
to learn more about our galaxy.
Because they want to know if there is another planet out there that we can live on. but God provided our planet and he loves us just as much!
So they can undersatnd what is producing the light, and if the galaxies are hospitable to other forms of life :)
They study distant galaxies because they want to know whats out in other galaxies and how many planets it has
cuz they are explorers
Depending upon how distant the galaxies are, in some cases it takes light billions of years to reach our planet from distant galaxies, which means that we are not seeing those galaxies as they are now, but we are instead seeing them as they were, billions of years ago. The more distant a galaxy is, the longer it takes for its light to reach us, and therefore the earlier the galaxy that we are observing.
That is impossible to answer because scientist don't know ALL the galaxies.
Galaxies, Stars, Sun, Moon
The further something is away form us the longer the light from it has been travelling to reach us. Thus when we look at very distant objects (galaxies) we see them as they were in the distant past when they were young. The more distant they are the younger/earlier they are. This effect is enhanced by the expansion of the universe which also makes the light from distant objects shift towards the red end of the spectrum.
No. We already know a good deal about the speed of light. Scientists study other galxies to learn how galaxies work.
There are more quasars in faraway galaxies, i.e., in the distant past.There are more quasars in faraway galaxies, i.e., in the distant past.There are more quasars in faraway galaxies, i.e., in the distant past.There are more quasars in faraway galaxies, i.e., in the distant past.
Astronomer is a scientist who works in the field of Astronomy. These scientist study the natural science of black holes, moons, galaxies, and planets.