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Planetary Society Offers $50,000 Prize for Asteroid Tagging Designs
Asteroid geostationary
2006/12/20
December 13. 2006,Apophis is an approximately 400 meter near-Earth object (NEO), which will come closer to Earth in 2029 than the orbit of our geostationary satellites. On that pass, the asteroid wil...
December 14, 2006，In 2007, The Planetary Society will send a DVD to Mars aboard Phoenix, NASA's newest Scout mission. The disk will include "Visions of Mars," a collection of 19th and 20th century st...
Water flows on Mars(图）
Water Mars planetary
2006/12/19
6 December 2006，The search for water on Mars -- and the implications that its discovery would have for the planet’s ability to sustain life -- has long captivated planetary scientists and amateur spac...
Mercury to Transit the Sun（图）
Mercury sun Earth
2006/11/9
On Nov. 8, 2006, Mercury will pass directly between the sun and the Earth, a transit that will cause the tiny, innermost planet to appear as a small black shadow moving across the bright solar disk.