An asteroid alert rarely starts with certainty. It begins with a faint point of light and a short run of observations, so early math can leave room for several futures. When NASA flags a near Earth ...
The asteroid, designated 2024 YR4, jumped to the top of NASA's risk chart, with a slim but measurable chance of striking Earth in just seven years. Reading time 3 minutes 2024 YR4 is a newly spotted ...
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