Based upon the expansion rate of the universe from Hubble's Law the Universe is estimated to be

Which of the following are in the correct order from SMALLEST to LARGEST

Evidence for the Big Bang theory includes

In the 1920's American astronomer Edwin Hubble helped show that the Milky Way was

According the Big Bang theory

The afterglow or the heat generated from the Big Bang

Why is light from the Andromeda galaxy blue shifted?

Billions and billions of stars, dust clouds, and star systems are known as

According to Hubble's Law, the most distant galaxies in the Universe are

Galileo's proof of a heliocentric Solar System was his observation that

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