Space Vocabulary
Terms
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- solar system
- a group of planets and their moons that orbit a star
- telescope
- a device used to observe distant objects
- inner planets
- the four planets closest to the sun
- star
- a burning ball of gasses
- rotation
- spin, it takes Earth 24 hours to make one rotation
- phases
- the different shapes of the lit side of the moon
- gas giants
- four of the outer planets that are made up mainly of gasses
- revolution
- one complete trip of one object around another object
- axis
- the imaginary line on which a planet rotates
- orbit
- the path that a planet takes around the sun
- asteroid
- a rocky object that orbits the sun between Mars and Jupiter
- satellite
- an object that orbits another object
- outer planets
- the five planets that are on the outer side of the asteroid
- planet
- a large object that orbits a star
- comet
- an object made up of ice, dust, and gasses that orbits our sun
- space probe
- a space vehicle that is sent into space to explore places too far away for people to visit