The Universe Theories

Question 1

Redshifts

Answer 1

Red is the wavelength of light that reaches the farthest. So, if red light is more visible from one galaxy than it was at another time, it proves that the galaxies are getting farther apart, just like stated in the Big Bang Theory.

Question 2

Inflation Theory

Answer 2

Rapid, exponential expansion from start to end!

Question 3

Steady State

Answer 3

The Universe does not change like ever. Perfect Cosmological Principle– Universe is infinite, infinitely old, and the same in all directions at all times past and future.

Question 4

Oscillating Theory

Answer 4

Big Bang-Big Crunch

There has been a series of these!

Question 5

CMB or Cosmic Microwave Background

Answer 5

Leftover radiation observed, proves that universe was once hot and dense, like Big Bang Theory!

Question 6

Big Bang

Answer 6

Hypothesis of the primeval atom!
Primeval matter was originally thought to be neutrons at very high temp and density!
SINGULARITY
Universe expands constantly, distance between galaxies increases!
Gets cooler and less dense on expansion