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Moons

physical science moons chapter

TermDefinition
planet any of the nine primary bodies that orbit the sun; a similar body that orbits another star.
Dwarf Planet is defined as an object that is orbiting the Sun, is nearly spherical, but has not cleared matter from its orbital zone and is not a satellite.
Small Solar System Bodies All objects in the solar system that are not planets, dwarf planets, or moons.
(AU) a measurement for distances based on the distance from earth to the sun
Terrestrial Planets The name given to the four inner planets: Mercury, Venus, Earth, and Mars
Giant Planets Jupiter, Saturn, Uranus, and Neptune
Asteroids small, rocky bodies orbiting the Sun and lying mainly in a narrow belt between Mars and Jupiter.
Meteoroids remnants of comets and asteroids in space
Meteor A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere
Meteorite stony or metallic object that is the remains of a meteoroid that has reached the earth's surface
Kepler's First Law states that each planet moves in an orbit that has the shape of an ellipse, with the Sun located at one focus
Kepler's Second Law states that an imaginary line between the Sun and a planet moves over equal areas of the ellipse during equal time intervals.
Kepler's Third Law states that the square of the period of a planet's orbit is proportional to the cube of that planet's semi major axis.
solar system the sun and all the planets and other bodies that travel around it.
satellite a natural or artificial body that revolves around a planet.
Created by: ultimate3
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