Big Bang and end of the universe

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

Galaxies that move closer to us show a what shift?

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

In relation to us, most galaxies are…

• Moving toward us
• Moving away from us
• Not moving

Why is the CMB so cool now? 

• The expansion of the Universe has cooled the radiation and stretched its wavelengths
• Dense clouds of dust have blocked most of it. 
• The cosmological constant has "squashed" its wavelengths and cooled it. 
• Hydrogen atoms have condensed on it and chilled it.

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 event that marks the beginning of our known universe

• Theory of Evolution
• Big Bang
• Cell Theory
• Inflation Theory

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

• Cosmic radiation
• sunlight
• Doppler effect
• Cosmic explosions

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