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Space (Brayden)

Astronomy The study of space
Galaxy large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space.
Universe All matter in space
Solar System the sun together with all the planets and other bodies that revolve around it
Star any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night.
Planet Also called major planet. any of the eight large heavenly bodies revolving about the sun and shining by reflected light
Nebula Also called diffuse nebula. a cloud of interstellar gas and dust.
Constellation any of various groups of stars to which definite names have been given
Satellite a natural body that revolves around a planet
Gravity the force of attraction by which terrestrial bodies tend to fall toward the center of the earth
What are all the planets in order. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the name of our galaxy? Milky Way
How long does it take the earth to rotate around the sun? 365 1/4 days
Why does weight change on different planets? The different masses
Difference between revolve and rotate. Rotate- spin in circles Revolve- moving around the sun
What does gravity do? It helps us walk, and pulls us downward to keep everything steady. Also, gives us weight.
Created by: 100003894701744