Astronomers find second known Earth Trojan asteroid
An international team of astronomers observed 2020 XL5 and confirmed it is an Earth Trojan asteroid orbiting the sun along the same path as Earth. 2020 XL5 is the second, and larger, Earth Trojan asteroid discovered. The team of U.S. National Science Foundation researchers used images of the sky’s horizon at daybreak, captured by the Southern Astrophysical Research Telescope […]