YR4 has just above a 1% chance of crashing into Earth in 2032, which is why astronomers and space agencies are paying attention to it.
"That does not happen very often," Chodas says. In fact, nothing compares to it since Apophis, a cruise-ship sized ...
Planetary Society Chief Scientist Bruce Betts notes while counterintuitive, the odds of impact go up before they drop to zero.
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