For years I've been slightly concerned about the possibilities of Earth being hit by a large enough asteroid to cause serious problems. NASA and other space agencies have set up programs to look for dangerous objects, and have catalogued a lot of them. Still, the one that will probably cause problems is the one we don't see coming.
But one that we could see coming has been ruled out as a problem well past my probably lifespan.
Asteroid Apophis won't impact Earth for at least a century, NASA finds
"A 2068 impact is not in the realm of possibility anymore, and our calculations don't show any impact risk for at least the next 100 years," said Davide Farnocchia, navigation engineer and researcher at NASA's Center for Near-Earth Object Studies (CNEOS), in a statement."
So Apophis won't be causing a 2068 apo-calypse.
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