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29 Cards in this Set
- Front
- Back
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Name the order of the planets from the sun.... |
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. |
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What astronomer developed the geocentric model of the universe? |
Kepler or Ptolemy |
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What astronomer was the first to accurately measure the size of the Earth? |
Eratosthenes |
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What astronomer was the first to develop a star catalog? |
Nicolaus Copernicus |
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How did Aristotle conclude the Earth was round? |
The observations of the Earth's shadow upon the moon(lunar eclipse). |
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Who was the first early astronomer to propose a sun-centered universe? |
Nicolaus Copernicus |
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What is the shape of a planet's orbit? |
Oval |
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What scientist determined the nature of the forces that keep the planets in their orbits? |
Sir Isaac Newton |
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What scientist was the first to use telescope? |
Galileo Galilei |
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What causes the Earth to have seasons? |
The tilt of the Earths rotational axis away or torward the sun. |
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The moon's period of rotation and revolution is how many days? |
Revolution-27.3 days Rotation-27days and 8 hours |
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Mercury |
The Innermost Planet |
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Venus |
The Veiled Planet |
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Mars |
The Red Planet |
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Jupiter |
Giant Among Planets |
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Saturn |
The Elegant Planet |
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Uranus |
The Sideways Planet |
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Neptune |
The Windy Planet |
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Tritan(moon): |
Neptunes largest moon (size of Earth). |
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Pluto |
Planet X |
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The most obvious difference between terrestrial and Jovian planets is ? |
Size. Terrestrial(earth like) Jovian(Jupiter) |
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What planet shows evidence of water erosion?(NOT EARTH) |
Mars |
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The planet with greatest temperature extremes? |
Mercury |
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What 4 planets have rings? |
Saturn, Jupiter, Uranus, and Neptune |
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What planet has the greatest mass? |
Jupiter |
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What planet has an axis nearly parallel with the plane of its orbit. |
Uranas |
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Jupiter's Great Red Spot is believed to be? |
A hurricane |
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Most asteroids lie between the orbits of what two planets? |
Mars and Jupiter |
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Which way does a comet's tail always point? |
Away from the sun |
