Evidence of the Big bang Theory- Review

Front

What is one major piece of evidence that the Big Bang theory is correct?

Back

astronomers have detected leftover radiation from the Big Bang

Front

The change in wavelength that allows us to determine if an object is moving toward us or away from us

Back

Redshift and Blueshift

Front

What do we observe when stars/galaxies are moving away from us?

Back

Redshift

Front

A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

Back

Big Bang Theory

Front

What does the Big Bang theory suggest?

Back

The universe is continually expanding

Front

What were the original two elements in our universe?

Back

Hydrogen and Helium

Front

How old is the Universe?

Back

13.8 billion years old

Front

A large grouping of stars, planets, gas, and dust in space held together by gravity.

Back

Galaxy

Front

A unit of length equal to the distance that light travels through space in one year.

Back

Light-Year

Front

An object moving very fast away from Earth would have ________ than an object moving very slow away from Earth.

Back

More Redshift