Origins of the Universe

Front

What is the most popular theory about the origin of the universe?

Back

The Big Bang Theory suggests that the universe originated approximately 10 – 20 billion years ago.

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NGSS.HS-ESS1-2

Front

What event does the Big Bang Theory describe?

Back

The Big Bang Theory describes a tremendous expansion of the universe that began 13-15 billion years ago.

Tags

NGSS.HS-ESS1-2

Front

Who developed the law of universal gravitation?

Back

Sir Isaac Newton developed the law of universal gravitation.

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NGSS.HS-PS2-4

Front

True or False: The light we see from objects in the sky is from the past.

Back

True.

Front

Who developed the theory of general relativity?

Back

Albert Einstein developed the theory of general relativity.

Front

What does the term 'red shift' refer to in astronomy?

Back

Red shift refers to the phenomenon where light from distant galaxies is shifted towards the red end of the spectrum, indicating that they are moving away from us.

Tags

NGSS.HS-ESS1-2

Front

What is the significance of Edwin Hubble's work?

Back

Edwin Hubble provided evidence for the expansion of the universe and formulated Hubble's Law, which relates the distance of galaxies to their recessional velocity.

Front

What is cosmic background radiation?

Back

Cosmic background radiation is the afterglow of the Big Bang, filling the universe and providing evidence for the Big Bang Theory.

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NGSS.HS-ESS1-2

Front

What is the observable universe?

Back

The observable universe is the part of the universe that we can see and measure, limited by the speed of light and the age of the universe.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

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NGSS.MS-ESS1-2