How old is our universe?

• 13.8 thousand years
• 13.8 million years
• 13.8 billion years
• 13.8 trillion years

The big bang was a what?

• explosion
• unknown
• expansion
• contraction

What were the original two elements in our universe?

• Lithium and Carbon
• Hydrogen and Neon
• Helium and Chlorine
• Hydrogen and Helium

The scientific study of planets, stars, galaxies, and the universe as a whole.

• Astronomy
• Geology
• Cosmology
• Quantum Physics

Galaxies that move closer to us show a what shift?

• Red Shift
• Green Shift
• Orange Shift
• Blue Shift

Which piece of evidence supports the Big Bang theory?

• The more distant galaxies are moving the slowest
• The more distant galaxies are moving the quickest
• The more distant galaxies are moving towards us
• Galaxies and space is not changing

The "afterglow" of the energy from the origin of the universe that we see today.

• Cosmic microwave background
• Sunlight
• Doppler effect

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe started as a point and is moving towards each other

Who discovered that the galaxies were moving away from one another?

• Edwin Hubble
• Issac Newton
• Albert Einstein
• Galileo Galile

What was the first element to form within the universe?

• Hydrogen
• Helium
• Carbon
• Oxygen