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Science Vocab - Ch 8

The Universe

QuestionAnswer
the tendency of a moving object to keep moving in a straight line or of any object to resist a change in motion inertia
one complete trip around the sun...happens every 365 days revolution
the regular rise and fall of the water level along a shoreline tide
a natural or artificial object in space that circles around another object star
a collection of billions of stars galaxy
the force of attraction between any two objects due to their mass gravity
the path one object travels around another object orbit
a complete spin on an axis rotation
the appearance of the sha[e of the moon at a particular time phase
a situation that occurs when the sun, earth a moon are in a straight line earth's shadow falls across the moon lunar eclispe
an instrument that makes distant objects appear closer and larger telescope
a large object that orbits a star and does not produce its own light planet
a natual object that orbits a planet moon
a mixture of ice, frozen gasses, rock and dust left over from the formation of the solar system comet
one of many small, rocky objects between Mars and Jupiter asteroid
a huge cloud of gas and dust in space that is the first stage of star formation nebula
a star that can no longer turn helium into carbon; it cools and shrinks becoming very small and dense white dwarf
a star that has produced more energy than gravity can hold together and explodes supernova
an object whose gravity is so strong that light cannon escape it black hole
any of the patterns formed by groups of stars in the sky. To people in the pasat, these patterns looked like pictures of animals and people constellation
the distance light travels in a year light year
Created by: tgreen69
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