Vocabulary List 6, 6th grade
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6 terms
English | Dutch |
|---|---|
 astronomers | experts in the science that deals with the Sun, Moon, planets, stars, and galaxies |
| collapse | to cave in |
| collide | to strike violently together |
| compact | firmly packed together |
| galaxy | a group of billions of stars forming one system |
| particles | extremely small units of matter |
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