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vocab words science
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| Term | Definition |
|---|---|
| Asteroid | solid,rocky body that orbits the sun |
| astronomical unit (AU) | Earth's average distance from the sun |
| axis of rotation | imaganary line which a turning bod,rotates |
| comet | body that produces a coma of gas and dust |
| corana | outer layer of the suns amptnosphere |
| eclipse | one object in space casts a shadow onto another |
| equinox | sunlight shines equally on the northern hemisphere and the southern hemisphere |
| galaxy | billions of stars in a group by their own gravity |
| light year | distance light travels in one year |
| mare | solidifide lava on the moon |
| metor | breif streak of light produced by a small partcle |
| penumbra | reigon of lighter shadow that may surround an umbra |
| revolution | moition of one body around another |
| satelight | object that orbits a more massive object |
| season | defined and caused by the position of earths axis relative to the diriction of sunlight |
| solar system | sun and its famliy of orbiting planets, moons and other objects |
| solistice | one hemisphere gets its maximum area of sunlight |
| umbra | dark centralraegon of shadow |
| universe | space and all the matter and energy in it |