Universe, Created by the Big Bang about 14 billion years ago, Space Time, The fabric that makes up the universe- 3 dimensions + Time, Gravity, Force created by objects denting space-time, Light speed, How fast light travels- 186,000 miles per second, Light year, How far light travels in 1 year- about 6 trillion miles, Solar System, A collection of planets orbiting a star, Planets (Correct order from the sun), Mercury-Venus-Earth-Mars-Jupiter-Saturn-Uranus-Neptune (My Very Excellent Mother Just Served Us Nachos!), Rotation, a planet spinning around its axis, Rotation, A planet spinning around its axis, Orbit, A planets oval shape path around the sun, Year, how long it takes a planet to make 1 orbit around the sun, Day, 1 full rotation on its axis, Moon, Large object orbiting a planet-Reflects light -The more gravity a planet has, the more moons it usually has.

Universe Study Guide

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