Apogee Art Rose Marie's virtual gallery of skyscape, abstract, and conceptual art.   Google Mars This map of Mars, published by Percival Lowell in 1895, was the result of many years spent carefully studying the Red Planet through his telescope.   The Moon - Zoom Astronomy The moon, lunar phases, tides, lunar exploration.   Using the Moon as a Tool Using the moon as a tool for discovery-oriented learning - period, conjunction, opposition, earth-moon system, common center of mass, perigee, apogee..