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| Which one was on house arrest for his views on the so;ar system |
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| Who didnt share his views on the solar system until his death bed |
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| Has the hottest surface temperature because of its thick atmosphere |
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| 70% of it is covered with water |
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| Other than Earth, what planet has ice caps |
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| Its axis of rotation is tilted on its side |
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| Titan is one of its moons |
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| Has the largest moon in the solar system |
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| Farthest planet from the sun |
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| Blue color of these two planets due to Methane Gas |
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| Made up of 8 planets, and many smaller objects that orbit the sun. |
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| Large cloud of gas and dust that contracts under gravitational force and breaks apart into smaller pieces, each of which might collapse to form a star |
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| The matter of gas, ice and dust that did not get pulled into the center and stuck together forms the planets and asteroids |
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| Came up with model heliocentric model |
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discovered the laws of orbital motion
Said the planets are elliptican and there speeds vary. |
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| smallest planet, closest to the Sun: does not have a true atmosphere: has a surface with many craters and high cliffs |
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| second planet from the sun: similar in size and mass to Earth: has a thick atmosphere and a surface with craters, faultlike cracks, and volcanoes |
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| third planet from the sun: has an atmosphere that protects life and surface temperatures that allow water to exist as a solid, liquid, and gas |
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| Fourth planet from the sun: has polar ice caps, a thin atmosphere, and a reddish appearance caused by iron oxide in weathered rocks and soil. |
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| largest and fifth planet from the Sun: contains more mass than all the other planets combined, has continuous storms of high-pressure gas, and an atmosphere mostly of hydrogen and helium |
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| one of jupiter's moons, most volcanically active active body in solar system |
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| One of Jupiter's Moons.Europa's surface is mostly water ice, and there is evidence that it may be covering an ocean of water or slushy ice beneath. Europa is thought to have twice as much water as does Earth. |
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| second-largest and sixth planet from the sun: has a complex ring system, at least 31 moons, and a thick atmosphere made mostly of hydrogen and helium |
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| seventh planet from the Sun: is large gaseous. has a distinct bluish-green color, and rotates on an axis nearly parallel to the plane of its orbit |
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| usually the eighth planet from the Sun: is large gaseous. has rings that vary in thickness, and is a bluish-green color |
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| A dwarf planet, formerly considered the ninth planet in order from the sun. Pluto has 3 moons. it is surrounded by only a thin atmosphere and it has a solid, icy-rock surface |
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| space object made of dust and tock particles mixed with frozen water, methane, and ammonia that forms a bright coma as it approaches the sun |
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| A periodical comet with an orbital period of about 76 years, its reappearance in 1758–59 having been predicted by Edmond Halley. It was first recorded in 240 bc and last appeared, rather faintly, in 1985–86 |
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| The gas and released dust form a bright cloud cloud around the nucleus. |
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| The solar wind pushes on gases and dust in the coma, making separate tails |
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| pieces of dust and rock, from the nucleus of a comet |
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| a meteoroid that burns up in earth's atmosphere |
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| A meteoroid that strikes the surface of a moon or planet |
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| a piece of rock or metal made up of material similar to that which formed the planets; mostly found in the asteroid belt between the orbits of Mars and Jupiter |
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| The largest and the first asteroid discovered |
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| Cloud of comets, located beyond the orbit of pluto |
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| the region of asteroids between Mars and Jupiter where most asteroids are found. |
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used to be the 9th planet, now it is a dwarf planet
has one moon |
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| middle of the comet, the hard part |
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