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astronomy vocabu

science

QuestionAnswer
astronomy A belief that links the positions of the stars and planets to human destinies. It has no scientific background
axis An imaginary straight line on which an object rotates
rotation When an object spins it is said to be rotating
revolution When something is moving in a circle around another object such as the way the Moon Circles the Earth it is said to revolve around that object
orbit The path one object takes around another
tilt when a planet turns to a side all the planet turns to that side
solstice 22 June, and 22 December. Time of the year when the day is either shortest, or longest depending on where you are.
equinox March 21st, and September 22nd. Twice a year, when the day and night are the same amount of time all around the world.
phase The apparent change in the shape of the Moon, Mercury, and Venus due to how much of the sunlit side is facing the Earth
eclipse When our view of one object in the sky is blocked by either another object, or the Earths shadow
gravity the atractive 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
sattellitte any object that revolves around another object in space
telescope a device built to study distant objects
geocenturic Simply means the Earth in the Center. People used to believe the Universe was geocentric, or that the Earth was in the center of the Universe
heliocenturic a description of the solar system in wich all of the planets revolve around the sun
inner planet planet that is closest to the sun
outer planet planet that is farthest to the sun
comet a ball of ice and dust whose orbit is usually a long narrow eclipse
asteroid objects revoving around the sun that are too small and too numerous to be considered planets
meteroid a chunk of rock or dust in space
constellation a pattern of stars in the sky
galaxy a type of structure that contains millions of stars
universe all of space and evrything in it
milky way Our Galaxy
Created by: hfltravisp
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