Ben Turner is a U.K. based staff writer at Live Science. He covers physics and astronomy, among other topics like tech and climate change. He graduated from University College London with a degree in particle physics before training as a journalist.
The asteroid Kamo'oalewa — a Hawaiian name that means"the oscillating fragment" — is a Ferris-wheel-size rock chunk that orbits within 9 million miles of Earth every April.
"We are now establishing that the moon is a more likely source of Kamo'oalewa," lead author Renu Malhotra, a planetary scientist at the University of Arizona, said in a statement. These anomalies led the astronomers to conduct an analysis of the asteroid's spectra in 2021. They found that the light emitted and absorbed by Kamo'oalewa indicated that the asteroid was likely made of moon rock.
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