Science: Earth and Space - Flashcard 29

Front

Polish astronomer who proposed a heliocentric system of the universe.

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Nicolaus Copernicus

Front

Scientist who discovered the law of universal gravitation.

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Sir Isaac Newton

Front

Astronomer whose book Almagest mathematically described the geocentric view of the universe.

Back

Ptolemy

Front

Astronomer who discovered that the planets do not travel in circles.

Back

Johannes Kepler

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NGSS.MS-PS2-4

Front

Astronomer who discovered the phases of Venus.

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Galileo Galilei

Front

What is the symmetrical oval shape that a planet’s orbit has?

Back

ellipse

Front

What is a planet’s closest point to the sun called?

Back

perihelion

Front

Why do the planets sometimes appear to move “backward” through the sky?

Back

Earth travels faster than the outer planets

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Front

The study of God’s creation beyond our atmosphere is called ____.

Back

astronomy

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NGSS.MS-ESS1-2

Front

The sun, planets, the planets’ moons, and other smaller bodies that orbit the sun form the ____.

Back

solar system

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