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Chapter 14 SS
solar system
Word | Definition |
---|---|
satellite | a spacecraft that is launched into space and gathers information |
waxing | when the moon seems to get larger and larger every night |
phase | a change in the moon, based on its postition |
constellation | a group of stars that form a pattern in the sky |
star | dense ball of gas and dust and produces energy |
revolution | movement of the Earth in a curved path around the sun |
rotation | spinning of the Earth on its axis |
waning | when the moon appears to get smaller and smaller every night |
axis | the imaginary line that the Earth spins on |
comet | an object in the solar system made up of ice, dust, and frozen gases that develop a tail of light |
star | burning sphere of gas |