10.3 - The Great Expansion

Last updated over 2 years ago
12 questions
In-person Slideshow
6

In your own words, explain and describe ONE of the three main pieces of evidence we have for the Big Bang.

4

Select all phrases that make the sentence true:

Light from an object moving away from us appears to have __________________

2

Within our local group of galaxies, they ________________

4

What states that "The rate at which astronomical objects move apart from each other is proportional to their distance from each other."

4

The process where protons and neutrons combine to produce atomic nuclei is called ___________

4

What percentage of all the atoms in the universe are Helium and Hydrogen?

4

Select all the statements that are true.

What does The Cosmological Principle tell us?

Video Section
1

The Big Bang was a giant explosion.

4

What were the 4 new forces of the Universe that were acting under different rules?

4

What Era occurs at only 1 second since the beginning of everything?

2

When the hydrogen gas clumped together after millions of years and gravity put it under great pressure ____________ began.

6

Why don't we know about the EXACT moment of the Big Bang?