A Big Asteroid Might Hit Earth in 7 Years – Scientists Are Watching It Closely Scientists are studying a large asteroid called 2024 YR4 to see if it will hit Earth in 2032. Right now, the chance of it hitting Earth is very small—about 1 in 47 (2.1%).
1 in X 幾分之一
There’s a 1 in a million chance of winning the lottery.
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