| Term | Definition |
|---|
| where does the sun appear and where does it set? | it rises in the east and sets in the west |
| how long does it take for the earth to rotate around the sun? | 24 hours or one day |
| how long does it take for the earth to revolve around the sun? | 365 days or a yr |
| how does the moon reflect light? | it reflects light from the sun |
| what star keeps the same position all yr round? | the north star or polaris |
| what does the word planet mean? | wanderer |
| what does the word eclipse mean? | to block |
| whats the name of the eclipse when the sun is blocked out by the moon? | solar eclipse |
| whats the name of the eclipse when the moon is blocked by the earth? | lunar eclipse |
| rotation | when a heavenly body turns on its axis |
| revoluton | when a heavenly body orbits another heavenly body |
| astronomy | the study of stars to learn more about them |
| astrology | the study of stars to predict the future |
| universe | all the galaxies and the space in between them |
| galaxy | billions of stars,nebulas,and dust |
| star cluster | a group of hundreds or thousands of stars travelingtogehter in space |
| constellation | a group of stars that make a pic in the sky |
| nebula | a huge cloud of dust and gas on space |
| a cephied star | when a star get brighter and dimmer in a pattern |
| nova | a star that gets brighter |
| supernova | a star that blows up |
| binary star | a double star |
| light year | how far light travels in a yr |
| observatory | a domed shaped building used for studying real stars with a telescope |
| planetarium | a domed theater with a projecter used to study fake stars |
| radio telescope | used to gather radio waves |
| thermocouple | an instrument used to find the temp pf a star |
| spectroscope | an insrument with a prism used to find out the elements of a star |
| what are two kinds of star clusters and what are two examples? | open and globular- an open cluster is the kids and a globular cluster is the omega centauri |
| what are two kinds of nebulas and two examples of each? | bright and dark the bubble and the horsehead |
| mercury | it has caloris basin on it,its the closest, it has no rings, it orbits very quickly |
| venus | its the sister planet to earth, its covered with dark clouds,it rotates from |
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