Warehouse-sized asteroid whipped by Earth and no one saw it coming - CNET

Found 21 days ago at CNET

A space rock possibly as wide as a football field flew between the moon and Earth last week, but the big asteroid catalogued as 2021 SG wasnt spotted until the day after it had already made its closest pass by our planet. While asteroid 2021 SG is safely heading back to deeper space, it provides a brief moment of deja vu for sky watchers who may remember the large bolide that went unseen until it...

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