Astronomers may be in for a treat early next month, as asteroid 2013 TX68 may make a close pass to Earth sometime between March 3–8, 2016, making it possible that it will be visible through telescopes. Despite how close it is expected to come to us, NASA doesn’t expect it to hit Earth — this time.
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The formation of the Earth-Moon system has long been theorized to have been heavily influenced by the impact of a Mars-sized celestial body, commonly called "Theia" by scientists. The Moon’s formation is theorized to have occurred when this object struck the primordial Earth, spinning off a portion of it’s mass, that formed into the Moon as we know it today. However, a common question has dogged the issue since it’s conception: did Theia just strike a glancing blow to the primordial Earth, or did it strike it head-on?
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