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| MARS (2) | Mountainous And Really Sandy |
Philip Edwards (The planet Mars is home to Olympus Mons, at 24 km high, the highest mountain known.) Science:Astronomy:Planets Science:Astronomy:Planets |
| ROCKETS | Reach Orbit Converting Kinetic Energy, Transporting Satellites |
Philip Edwards Science:Astronomy Science:Astronomy |
| SUN (2) | Star, Usefully Nearby |
Philip Edwards Science:Astronomy Science:Astronomy |