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Maria (Seas) - Although there is no water, moon's surface has several Mare (Sea's) covering vast expanse. They include Mare Tranquilitatis (Sea of Tranquility), Mare Serenitatis (Sea of Serenity)Mare Imbrium (Sea of Rains) and Oceanus Procellarum. |  |
Sinus (Bays), Palus (Marshes) and Lacus (Lakes) - also exist on moon's surface. Sinus Iridum (Bay of Rainbows), Palus Somnii (Marsh of Sleep), Lacus Bonitatis (Lake of Goodness) to name a few. |
| Maria (Seas) | Sinus (Bays) and Palus (Lakes) | ||
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Light Ray Systems - are caused by Moon's reflection of Sunlight. Light rays in craters form with Waxing moon, become bright at full moon, and gradually weaken towards new moon. Copernicus, Tycho, Kepler, Aristarchus, Proculus are some of the light rays systems. |  |
Librations - are the shifts in Moon's axis relative to earth's, and the effect of Moon's varying rate of travel because of its slightly elliptical orbit. |
| Light Ray Systems | Librations | ||
CratersCraters - Image 1Craters - Image 2 Craters - Image 3 Craters - Image 4 Craters - Image 5 Craters - Image 6 Craters- Image 7 Craters - Langrenus etc Craters on the East Craters South of Tycho MariaMariaMaria and Lacus Mare Marginis, Mare Symthi Mare Australe Objects on Moon |
Light RaysLight Rays 1Light Rays 2 Emerging Light Rays Copernicus Rays Bright Copernicus Rays Weakened Copernicus Rays Tycho Rays Weakening Light Rays Waning moonWaning MoonLibrationsEastern LibrationsMare Marginis, Mare Symthi Mare Australe |
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