The good news and the bad news. The good news is that an asteroid, the 'size of a house' (a small bungalow or a mansion?) will miss the Earth today as it passes between our planet and the moon (https://www.theguardian.com/science/2017/aug/11/close-encounter-asteroid-2012-tc4-size-of-a-house-near-miss-with-earth) being some 44,000 km from our orbit. The bad news, is that we know about this body but many others are, as yet, undocumented. Oh, and by the way, this is a second visit by 2012 TC4 since 2012 and it's getting closer!
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