Earth has an extra companion, a Trojan asteroid that will hang around for 4,000 years
In 2020, astronomers thought they’d found something incredible: the second so-called Earth Trojan asteroid ever seen. Now, a new team of researchers has confirmed that it’s real. Trojan asteroids are small space rocks that share their orbit with a planet, circling whatever host star that planet does in a stable orbit. While we have spotted … Read more