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Definition
Idea that Earth is the center of the solar system.
-Ptolemy |
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| small, fastest orbit, no moons, caloris basin (impact) |
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| thickest atmosphere, retrograde rotation, roundest orbit, hottest planet, greenhouse effect, sulfur clouds, carbon dioxide |
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| nitrogen/oxygen atmosphere, most dense, active surface (lack of craters), life |
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| dust storms, largest volcanoes, river canals, polar icecaps, carbon dioxide atmosphere |
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| largest, belts/zones (pressure), fastest rotation, liquid metallic hydrogen, most moons |
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| lowest density, roche limit, encke gap, cassini division, Shepard satellite |
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| offset magnetic field, 98 tilt |
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| strongest winds, Great Dark Spot, methane clouds, coldest, offset magnetic field |
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| moon, Jupiter, most active surface, geysers- sulfer, |
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| moon, Jupiter, most round, pure ice
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| moon, Jupiter, largest, new/old terrain |
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| moon, Jupiter, dead, frozen, cratered |
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| moon, Saturn, nitrogen atmosphere-hydrocarbons & methane, rains methane, large |
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| Normal eastward movement of planet |
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| backwards movement of planet |
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Definition
| Idea that Sun is center of Solar System (Copernicus) |
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| when a planet lines up with the sun |
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| point where an inferior planet is far from the sun as it can be |
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| point where superior planet is far away from sun as possible |
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| point in orbit where a planet is closest to sun |
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| point in orbit when a planet is farthest from sun |
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| measure of how an object resists acceleration when acted upon by a force. Proportional to amount of matter in object. |
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| measure of force of gravity in an object |
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Definition
| force of attraction between any two objects having mass |
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Definition
| any change in speed/direction of an object's motion |
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| points of gravitational stability in the orbit of a planet |
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| when one side of a body always faces the planet it revolves around (moons) |
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| material from which the solar system formed |
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| mass of an object divided by volume |
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| first rock-sized bodies formed in solar nebula from dust grains |
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| larger bodies formed early in solar nebula that were chemically differentiated. |
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| light produced when particles from sun collide with atmospheric molecules; solar winds |
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| process of acquiring material |
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| Sinking of denser elements to the center of a young molten planet |
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| trapping of heat by carbon dioxide or other gases |
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| temperature at which a substance in the vacuum of space solidifies |
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| rotation of a star or planet at different speeds at its equator and poles |
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| dark, reddish, low-pressure bands that rise |
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| Light-colored, high pressure bands that sink |
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| small moons that maintain shape of rings around Saturn and Uranus |
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| dark, relatively smooth areas on Moon |
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| repeated push or pull capable of summing into a larger push or pull |
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| powdered stone fragments that make up lunar "soil" |
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| distance a moon can be from a planet before shattering from tidal forces |
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| rock that makes up lunar highlands |
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| responsible for Jupiter's magnetic field |
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| long, meandering cliff formed when a planet surface cools and shrinks |
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| Io, Europa, Ganymede, Callisto |
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| rock makes up lunar maria |
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| large, irregularly shaped rocky object orbiting Sun, b/t orbits of Mars and Jupiter, left-over planetismimal |
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| crystalline pattern found in iron meteorites |
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| place in asteroid belt caused by resonance with Jupiter where no asteroids |
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| spherical shell of comets that orbit sun at great distance |
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| conglomerate of ice and rock that orbit sun in highly elliptical orbit |
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| huge sphere of tenuous gas surrounding nucleus of comet |
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| point in sky where meteors appear to fall from |
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| small chunk of rock in space |
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| crust of meteorite caused by entry into earth's atmosphere |
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| streak of light in atmosphere |
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| collection of comets in plane of solar system located beyond orbit of pluto |
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| force exerted by reflecting light |
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| rock or iron specimen that has fallen from space |
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| empirical scheme for predicting orbital distances of planets |
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| when Earth passes through the orbit of a burned out comet |
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