The big bang theory expanded in a trillion of a second when it exploded with a bunch of light rays came shooting out with brightness. The galaxies were formed by hydrogen and helium which began to help create matter. At half the universe age it began to enlarge at a increasing rate,and at that time the universe was cooled down. Which the dark energy made this cause this acceleration. …show more content…
This was named after Christian Doppler in 1842. For example, think of a race car speeding as fast as it can the frequency level would be high, so the sound would be closer and louder. As you see the race car slowing down the frequency level is low, so the wavelength looks more spreaded out. The color of the rainbow also affects this by red meaning long and blue meaning short.
Did you ever wonder what scientists use to actually see the figures in space or how they give more detail in a image ? CMB stands for cosmic microwave background. What that does is scientist use it as a filter to see specific types of things in space .The cosmic microwave background gives more details about the universe. Redshift shows how the universe had come together at some point,and this shows before it was