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15 Cards in this Set
- Front
- Back
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copernicus thought that the solar system was
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heliocentric
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the part of the sun with nuclear fusion
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core
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pluto is a _____ kind of planet
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dwarf planet
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the region between Mars and Jupiter where many rocky objects are found is the
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asteroid belt
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a meteoroid that reaches earth's surface is called a
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meteorite
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T or F
the shape of the orbit of each planet is an ellipse |
T
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T or F
prominences are regions of cooler gases on the sun. |
F, sunspot
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T or F
the trapping of heat by a planet's atmosphere is called nuclear fusion. |
F greenhouse effect
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T or F
all the terrestrial planets are surrounded by rings |
F, gas giants
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T or F
the solid inner core of a comet is its coma |
F, nucleus
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describe the contributions Tycho Brahe and Johannes Kepler made to modern astronomy
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Tycho Brahe admitted heliocentric model is right, kepler analyzed his data and concluded that the planets orbit in an ellipse.
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what is the solar wind
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stream of electrical charged particals
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why does mercury have very little atmosphere
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the sun melts it away, the atmosphere can not take the heat
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why can astronomers see the surface of mars clearly but not the surface of venus
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venus has clouds in its atmosphere and mars doesn't
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what evidence do astronomers have that water once flowed on mars.
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images of mars that show a variety of features of ice caps.
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