Unit 1 - Astronomy Quiz

Which of the following is true of the Big Bang Theory

• It is a theory because it has no scientific evidence.

• It is also known as the slow expansion theory.

• It is supported by many different kinds of scientific evidences.

• It is not a theory, but actually a law.

Neptune is 2,820,000,000 miles away from earth. What is this in AU?
(1 AU = 93,000,000 miles)

• About 30

• About 300

• About 3

• None of these.

A light year is the _______ light can travel in one year.

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

• Universe

• Galaxy

• Space

All space and the matter space contains

• Universe

• Galaxy

• Super Nova

Which description is considered most accurate regarding what actually happened during the Big Bang?

• Two galaxies collided causing an immense explosion as stars crashed into one another

• All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

• All matter emerged from a massive black hole at the center of the universe.

• Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.

Which of the following is evidence of the Big Bang Theory?

• Cavemen heard a loud bang at the beginning of time.
• The universe isn't moving
• The universe is expanding
• The universe is getting smaller

The CMB (Cosmic Background Radiation) is:

• the remaining energy from the big bang.

• incredibly cool.

• a cloud of light

• only located in certain places in the universe.

This image describes:

• The redshift.
• The CMB.
• The abundance of each element in the universe.
• The amount of time the universe has existed.

Gold is heavier than iron. How does gold exist?

• planetary nebula

• supernova

• main sequence fusion

• supergiant fusion