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vocab...oh wonderful

yada yada yada ohhhh gerrrrrrate. HA!!! SURE

What is astronamy the study of stars, meteors and other objects in space.
What is axis? An imaginary line that tpasses through Earth's center and the North and South poles, about which Earth rotates.
Rotation? A spinninng motion of a planet about its axis.
Revolution? The movement of an object around another object.
Orbit? The path of an object as it revolves around another object in space.
Solstice? Two days of the year on which the noon sun is directly overhead at either 23.5 degrees South or 23.5 degrees North.
Equinox? Two days of the year on which niether hemisphere is toward or away from the sun.
Phase? One of the different shapes of the moon as seen from Earth.
Eclipse? The partial or total blocking of an object by another.
Gravity? The attractive force between two objects; its magnitude depends on their masses and the distance between them.
Tide? The rise and fall of the level of water in the ocean.
Satellite? Any object that revolves around another in space.
Telescope? A device built to study distant objects by making them appear closer.
Geocentric? A description of the solar system in which all the planets revolve around Earth.
Heliocentric? A description of the solar system in which all of the planets rovolve around the sun.
Inner Planet? Any of the four planets, Mercury, Venus, Earth, and Mars, whose orbits are closer to the sun.
Outer planet? Any of the four planets, Jupiter, Saturn, Uranus, and Neptune whose orbits are outside of Mars.
Comet? A ball of ice and dust whose orbit is a long narrow eclipse.
Asteroid? Objects revolving around the sun that are too small and too numerous to be planets.
Meteoroid A chunk of rock or dust in space.
Constellation? A pattern of stars in the sky.
Galxay? A giant structure that contains hundreds of billions of stars.
Universe? All of space and everything in it.
Milky Way The spiral galaxy that contains our solar system.
Created by: khansenhfl