An artist's impression of Earth quasi-satellite Kamo'oalewa near, the Earth-Moon system. Using the Large Binocular Telescope, astronomers have shown that it might be a lost Moon fragment (Credit: Addy Graham/University of Arizona)

Kamo'oalewa) (also known as 2016-H03), a small asteroid that orbits the Sun alongside Earth has been known to science since 2016. However, the rock's origins have always remained a mystery to researchers. Now, new observations by University of Arizona (UA) astronomers indicate that the Ferris-wheel-sized space rock may be a piece of our Moon that broke off almost 500 million years ago!