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Very Important Space
Very Important Space Vocabulary
| Term | Definition |
|---|---|
| asteroids | chunks of rock and metal |
| comets | balls of ice and dust |
| solar system | 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 a planet |
| meteorites | falling chunks of rock and metal |
| asteroid belt | the area between the inner and outer planets; it is filled with 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 suck up everything around them (created when a dying star collapses in on itself) |
| nova | a star which has just exploded |
| supernova | a star which has just exploded with much more force than a nova (much rarer than novas) |
| quasar | the brightest objects in the universe. They give off huge amounts of radio and light energy |
| nebula | a cloud of dust and gas within a galaxy |
| light year | distance light travels in a year (equals 6 trillion miles) |
| satellite | an object that orbits a planet. Also called a moon if not man-made |
| Milky Way | a misty band of light seen on most dark nights. It is the densest part of our galaxy |
| mass | the amount of matter in an object. May be thought of as an object's weight |
| Van Allen Belt | a broad, doughnut-shaped belt of radiation temporarily trapped by the earth's magnetic field and encircling the earth at varying levels |
Created by:
duncanobrate
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