Science
Asteroid Apophis is speeding up from sunlight as scientists recalculate odds of 2068 impact – Space.com
‘The 2068 impact scenario is still in play,’ scientists say. But odds remain low.
Astronomers say they’ll have to keep an eye on the near-Earth asteroid Apophis
to see how much of a danger the space rock poses to our planet during a close pass in 2068. But don’t panic: The chances of an impact still seem very low.
Under certain circumstances, the sun can heat an asteroid unevenly, causing the space rock to radiate away heat energy asymmetrically. The result can be a tiny push in a certain direction an effect called Yarkovsky acceleration, which can change the path of an asteroid
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