Investigation 4 Planetary Science
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10 terms
Terms | Definitions |
|---|---|
 Craters: | are round structures of various sizes with various details |
| Maria: | large dark gray or black areas that are fairly smooth |
| Highlands: | light-colored areas with lots of rough mountains and craters. |
| Rays: | the white lines that extend in all directions from some craters |
| Rilles: | structures that look like canyons or stream across courses |
| Myth: | stories that explain something unusual in nature |
| Waning: | growing smaller or getting less |
| Waxing: | growing larger or getting bigger |
| Apogee: | When the moon is farthest from the earth |
| Perigee: | when the moon is the closest to the earth |
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