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Sun-Earth-Moon

vocabulary

TermDefinition
Rotation turning on an axis
Revolution something goes around something else
Orbit when something spins around
Geocentric Theory Earth is the center of the universe
Heliocentric Theory The Sun was the center of the solar system
Astronomy the science of observing the sky
Solar System the sun, its planets, and all other objects in orbit around the sun or planets
Telescope a device built to observe distant objects, like stars, by making them appear closer
Comet a loose collection of ice, dust, and small rocky particles with a long, narrow orbit of the sun
Gravity the force that pulls objects toward each other
Astronomer a scientist who universe beyond Earth
NASA National Aeronautic and Space Administration
Axis what supports the earth
Tilt causes the lengths of days and nights of the year
Meteors a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere
Constellation patterns in the stars' positions
Vernal Equinox begins on March 21
Autumnal Equinox begins on September 22
Summer Solstice begins on June 21
Winter Solstice begins on December 21
Created by: 1964362684
Popular Earth Science sets

 

 



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