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A revised plot of the position of Asteroid 2007 WD5 when it passes the planet Mars on Jan. 30, 2008. Astronomers believe it will not impact the planet. Credit: NASA/NEO.
A revised plot of the position of Asteroid 2007 WD5 when it passes the planet Mars on Jan. 30, 2008. Astronomers believe it will not impact the planet. Credit: NASA/NEO.