"As this once-every-seven-thousand-years opportunity will teach us a lot about the behavior of asteroid surfaces that will be needed for planetary defense and future human exploration." NASA's ...
It's here to stay, or at least until Thanksgiving week. But it's not a moon. In fact, it's an asteroid named 2024 PT5. It entered Earth's orbit on Sept. 29 and will be taking up residency in our ...
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