The big bang theory

How many years ago did the big bang happen?

• 13.7 billion years ago

• 13.8 billion years ago

• 13.6 billion years ago

• 13 billion years ago

About 3 minutes after the big bang , what temperature did the universe cool down to?

• 50 million degrees Celsius

• 1 million degrees Celsius

• 1 billion degrees Celsius

• 1.2 billion degrees Celsius

Most scientists believe the Big Bang Theory explains which of the following questions?

• The origin of life on Earth
• The creation of the Universe
• The evolution of species
• The formation of the solar system

Our theory of the universe was confirmed by the discovery of:

• Black Holes
• Dark Matter
• Cosmic Microwave Background Radiation
• Quasars

The universe is expanding!  This means that:

• all of the galaxies are spreading out.

• the universe must have started from a single point.

• the universe is cooling down.

• all of the above

The Big Bang theory suggests that the universe originated from a:

• an infinitely dense and hot , small point

• Black hole
• Supernova
• Galaxy

What is CMBR?

• Cosmic Microwave Background Radiation
• Central Management Business Resource
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what helped us confirm what we know about the big bang theory today apart from cosmic radiation

• Observations of distant galaxies
• Discovery of dinosaur fossils
• Einstein's fudge factor

• Analysis of human DNA