Interstellar space rocks might be falling to Earth every 10 years.
. The short interval between those discoveries led astronomers to believe that smaller interstellar rocks, only feet or tens of feet wide, must be much more common in the solar system and even regularly cross paths with our planet.
That's why the authors of the new paper, famed Harvard astronomer Avi Loeb and his colleague Amir Siraj, set out to scour the CNEOS catalog. In addition to CNEOS 2014-01-08, they found another promising, for which the necessary data is still classified, however. That space rock sliced Earth's atmosphere in March 2017.
The researchers believe that interstellar space rocks might hit Earth's atmosphere about once per decade. Analyzing those meteors, the researchers suggest in the paper, could provide new insights into the chemistry of distant"By extrapolating the trajectory of each meteor backward in time and analyzing the relative abundances of each meteor’s chemical isotopes, one can match meteors to their parent stars and reveal insights into planetary system formation," the authors said in the.
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