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space vocabulary
Term | Definition |
---|---|
asteroids | Chunks of rocks and metal |
comets | Balls of ice and dust |
Solar Systm | The sun and all the bodies that orbit around it |
Orbit | The path of a planet or other object around another object |
Atmosphere | Layers of air around the earth |
Gravity | The force that pulls objects toward the center of the earth |
Meteorites | Falling chunks of rocks and metal |
Asteroid Belt | The area between the inner and outer planets; It is filled with thousands and thousands of asteroids |
Year | the time it takes for a planet to go all the way around the sun |
Black Hole | Great big vacuum cleaners in space which sucks up everything around them;Created when a dying star collapses on itself. |
Nova | A star which has just exploded |
Supernova | A star which has just exploded with much more force than a nova;More rare than novas |
Quasar | The brightest objects in the universe,they give off huge amounts of raido and light energy |
Nebula | A cloud of dust and gas within a galaxy |
Light Year | Distance light travles in a year;Equals 6 Trillion miles |
Satellite | An object that orbits a planet; Also called a moon if it is not manmade |
Milkey Way | A misty band of light seen on most dark nights;It is the densest part of are own galaxy |