A Family Of Planets Crossword Puzzle

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Eclipse: an event in which the shadow of one celestial falls on another.
Satellite: a natural or artificial body that revolves around a planet.
Phases: the change in the sunlit  area of one celestial body as seen from another celestial body.
Meteor: a bright streak of light that results when a meteoroid burns up in Earth's atmosphere.
Comet: a small body of ice, rock, and cosmic dust that follows an elliptical orbit around the sun and gets tail as it passes the sun.
Meteorite: a meteoroid that reaches the Earth's surface without burning up completely.
Gas Giant: a planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune.
Astronomical Unit: the average distance between the Earth and the sun; approximately 150 kilometers.
Meteoroid: a relatively small rocky body that travels through space.
Terrestrial Planet: one of the highly dense planets nearest to the sun; Mercury, Venus, Mars, and Earth.
Prograde: a clockwise spin of a planet or moon as seem from above the plants North Pole.
Retrograde: the counterclockwise spin of a planet or moon as seem from above the plant's North Pole; rotation in the same direction as the sun's rotation.
Inner Planet: any of the four planets closest to the sun: Mercury, Venus, Earth, or Mars.
Outer Planet: any of the four planets with orbits outside the orbit of Mars, namely, the planets Jupiter, Saturn, Uranus, and Neptune.
Ptolemy: Earth center of the universe; around 127-141 A.D.
Copernicus: 1200 A.D.; developed the Heliocentric Theory.
Newton: Universal Law of Gravity

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QUESTIONS LIST:

eclipse: an event in which the shadow of one celestial falls on another.
satellite: a natural or artificial body that revolves around a planet.
phases: the change in the sunlit area of one celestial body as seen from another celestial body.
meteor: a bright streak of light that results when a meteoroid burns up in earth's atmosphere.
comet: a small body of ice, rock, and cosmic dust that follows an elliptical orbit around the sun and gets tail as it passes the sun.
meteorite: a meteoroid that reaches the earth's surface without burning up completely.
gas giant: a planet that has a deep, massive atmosphere, such as jupiter, saturn, uranus, or neptune.
astronomical unit: the average distance between the earth and the sun; approximately 150 kilometers.
meteoroid: a relatively small rocky body that travels through space.
terrestrial planet: one of the highly dense planets nearest to the sun; mercury, venus, mars, and earth.
prograde: a clockwise spin of a planet or moon as seem from above the plants north pole.
retrograde: the counterclockwise spin of a planet or moon as seem from above the plant's north pole; rotation in the same direction as the sun's rotation.
inner planet: any of the four planets closest to the sun: mercury, venus, earth, or mars.
outer planet: any of the four planets with orbits outside the orbit of mars, namely, the planets jupiter, saturn, uranus, and neptune.
ptolemy: earth center of the universe; around 127-141 a.d.
copernicus: 1200 a.d.; developed the heliocentric theory.
newton: universal law of gravity