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Stack #182497
Question | Answer |
---|---|
the spin of a body on its axis. | rotation |
the path that a body follows as it travels around another body in space | orbit |
he motion of a body that travels around another body in space; one complete trip around thesun. | revolution |
the average distance between Earth and the sun; approximately 150 million kilometers | astronomical unit |
the distance that light travels in one minute of time; approximately 18 million kilometers. | light-minute |
one of the highly dense planets nearest to the sun; Mercury, Venus, Earth, and Mars. | terrestrial planets |
the counter-clockwise spin of a planet or moon as seen from above the planet's North Pole;rotation in the same direction as the sun's rotation. | prograde rotation |
the clockwise spin of a planet or moon as seen from above the planet's North Pole. | retrograde rotation |
a planet that has a deep, massive atmosphere, such as Jupiter, Saturn, Uranus, or Neptune. | gas giants |
natural or artificial bodies that revolve around a planet. | satellites |
the change in the sunlit area of one celestial body as seen from another celestial body. | phases |
an event in which the shadow of one celestial body falls on another | eclipse |
a small body of ice, rock, and cosmic dust that follows an elliptical orbit around the sun and thatgives off gas and dust in th form of a tail as it passes close to the sun. | comet |
a small, rocky object that orbits the sun, usually in a band between the orbits of Mars and Jupiter | asteroid |
a relatively small, rocky body that travels through space | meteoroid |
a meteoroid that reaches the Earth's surface without burning up completely. | meteorite |
a bright streak of light that results when a meteoroid burns up in the Earth's atmosphere | meteor |