2021-11-15

Lost fragments of the moon were found orbiting the earth and the sun

By yqqlm yqqlm

Visit: Alibaba cloud 11.11 cloud Carnival activity hall

64043c753cb2ea9 - Lost fragments of the moon were found orbiting the earth and the sun

this Ferris wheel sized fragment is called Kamo ` oalewa in Hawaii. Evidence of its lunar identity was published in nature communications – earth and environment last Thursday

Ben Sharkey, a graduate student in the Department of planetary science at the University of Arizona and the lead author of the paper, said in a statement: “I have looked at all the near Earth Asteroid spectra we can obtain, but there is no match.”

on the contrary, Sharkey and other researchers realized that this rock has a pattern of reflected light, which is similar to that of NASA The lunar rocks brought back by the Apollo mission are very closely related

al Conrad, a staff member of the large binoculars Observatory and co-author of the study, said in a statement: “these challenging observations are driven by the huge daylighting capacity of the two 8.4-meter telescopes of the large binoculars.”

Lost fragments of the moon were found orbiting the earth and the sun

however, this is not the only evidence to prove the origin of Kamo ` oalewa’s moon. This “quasatellite” – a subclass of near earth asteroids that orbit both the sun and the earth – orbits our planet at an unusual tilt, which is why it appears only once a year in the night sky

ReNu Malhotra, Professor of planetary science at the University of Arizona, said in a statement: “an ordinary near Earth Asteroid is unlikely to spontaneously enter a quasatellite orbit like Kamo ` oalewa.”

she pointed out that the debris will not stay in this specific orbit for a long time. It is estimated that it reached its current position 500 years ago, and Malhotra believes that its orbit will change in about 300 years

however, even with such a powerful machine and detailed orbital analysis, the research team has gone through a long time of analysis to uncover the secret of Kamo ` oalewa. Because the dim sphere did not appear often, they had to build their data set over a few years to depict the full picture of the extraterrestrial object – and find enough evidence to confirm its lunar origin

Vishnu Reddy, co-author of the Research Report of the lunar and Planetary Laboratory of the University of Arizona, said in a statement: “we have been doubting ourselves.”

the project started in 2016 and has been running for several years, but in 2020, due to the limitation of covid-19, the team missed the window of asteroids. Now, in 2021, they are finally satisfied with the amount of information collected and announce Kamo ` oalewa’s unique past. Sharkey said, “this spring, we got much-needed follow-up observations and said,’Wow, it’s true. It’s easier to explain with the moon than other ideas’.

since this is the first near Earth Asteroid to show the characteristics of the moon, it’s unclear whether this space stone is an abnormal phenomenon, Or whether there are other lunar debris lurking in the solar system waiting to be discovered