Astronomers have discovered that a potentially hazardous near-Earth asteroid, 3200 Phaethon, has an unusual accelerating spin that could eventually change its trajectory through the solar system.
A potentially hazardous near-Earth asteroid is spinning faster and faster every year, and researchers aren't sure why.
Using the decades-old dataset, the new team attempted to simulate the size, shape and rotational properties of Phaethon in greater detail than ever before. "The predictions from the shape model did not match the data," lead researcher Sean Marshall , an astronomer at the U.S. National Science Foundation's Arecibo Observatory in Puerto Rico, said in the statement."The times when the model was brightest were clearly out of sync with the times when Phaethon was actually observed to be brightest.
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