Since his blog post this month, other space observers have confirmed the data and agreed that the rocket, which weighs about 4 metric tons, is set to crash into the far side of the moon in March, in what Gray believes might be “the first unintentional case” of space junk hitting the moon. The expected crash will create a new crater, but it will not significantly damage the moon, Gray said, noting that it’s “built to take this sort of abuse.” The rocket is projected to touch down at a velocity of about 2.58 km a second, or about 5,770 mph.

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