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24 October 2008
Could Strange Mars Craters be from a Fallen Third Moon?
Was there a third Martian moon orbiting the planet? Did Phobos and Deimos have a triplet sibling? According to the discovery of two elliptical impact craters, there might just have been another moon, but it ploughed into the Red Planet's surface a long time ago. The moonlet would have been approximately 1.5 km wide (0.9 [...]
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06 May 2008
NASA Considers Manned Asteroid Mission
What would happen if we spot a Near-Earth Asteroid (NEO) heading straight for us? Assuming we had enough time, we might be able to pull together a group of brave astronauts (or oil drillers) and send them to the asteroid just in the nick of time to destroy it… oh hold on, that sounds like [...]
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28 December 2007
1-in-75 Chance Of Tunguska-Size Impact On Mars
A 164-foot (50 meter) wide asteroid will be crossing the orbit of Mars at the end of January 2008. Currently, there is a 1-in-75 chance of the "Mars Crosser" hitting the Red Planet, and if it does, the 30,000 mile per hour speeding mass would generate a three megaton explosion (approximately the size of [...]
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