In your own words, explain and describe ONE of the three main pieces of evidence we have for the Big Bang.
Select all phrases that make the sentence true:
Light from an object moving away from us appears to have __________________
Within our local group of galaxies, they ________________
What states that "The rate at which astronomical objects move apart from each other is proportional to their distance from each other."
The process where protons and neutrons combine to produce atomic nuclei is called ___________
What percentage of all the atoms in the universe are Helium and Hydrogen?
Select all the statements that are true.
What does The Cosmological Principle tell us?
The Big Bang was a giant explosion.
What were the 4 new forces of the Universe that were acting under different rules?
What Era occurs at only 1 second since the beginning of everything?
When the hydrogen gas clumped together after millions of years and gravity put it under great pressure ____________ began.
Why don't we know about the EXACT moment of the Big Bang?