AS Science in society: The Universe

A short quiz about some key principles in the topic: The Universe, from the AS course Science in society.

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What is Kepler's first law of planetary motion?
The orbits of the planets are ellipses
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What is the shape of a planets orbit?
elliptical
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Who was Tycho Brahe
Danish astronomer famous for inventing the quadrant to make much more accurate calculations
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In which century did Galileo Galilei write his book "Dialogue Concerning the Two Chief World Systems"?
17th
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What is red shift?
When a star is moving away from you then because the wavelengths coming from it are longer.
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What is dark energy?
The "driving force" pushing the universe out. The proposed theory as to why the universes expansion is speeding up.
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What is retrograde motion?
When a planets path changes direction and for a time moves backwards relative to the stars. Due to the fact the planets orbit at different speeds.
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Other cards in this set

Card 2

Front

What is the shape of a planets orbit?

Back

elliptical

Card 3

Front

Who was Tycho Brahe

Back

Preview of the front of card 3

Card 4

Front

In which century did Galileo Galilei write his book "Dialogue Concerning the Two Chief World Systems"?

Back

Preview of the front of card 4

Card 5

Front

What is red shift?

Back

Preview of the front of card 5
View more cards

Comments

George

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the first question does not make sense "ocassionally a planet"? JESUS CHRIST WILL GAHHHAHAH

Will Stainsby

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IT IS FIXED!!

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