Huge feature on the Moon may be an enormous volcanic vent system | Ars Technica From left, the Moon in visible light, a terrain map, and a map of the gravity anomalies. View is centered over the Oceanus Procellarum. Note the strong linear features in the gravity image.
The full moon as seen from the Earth, with the Ocean of Storms (Procellarum) border structures superimposed in red. Scientists now think this huge feature on the moon was formed by lunar lava early in the moon's formation, and not a cataclysmic impact.
Google Lunar XPrize Milestone Prizes, went to five teams today. Each spent the past year putting their hardware through a series of tests. Some of the tests included thermal vacuum testing. Read more: milestones.html LACO Space Simulation Systems: