Another close flyby will be taking place on the night of February 23rd. I know it’s more than a week away, but I thought I’d get a head start on the doom-sayers. This time we’re being visited by a rock about the size of 1.5 to 3.5 football fields (160 – 350 m), which would survive its passage through the atmosphere and reach the ground as a fair sized meteorite. Lucky for us, it will pass some 3.5 million km (2.18 million miles) from Earth, which sounds very far away, but in astronomical distances is quite close as … Continue reading...
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