There is a Faint Spec of Light Following Earth, But What is it?

In 2016, astronomers discovered an object loosely circling Earth. Named “2016 HO3,” the faint speck of light travels around the sun alongside our planet, always at least 38 times as far away as the Moon. What is it? Astronomers at the University of Arizona recently used the Large Binocular Telescope on Mount Graham to learn more about 2016 HO3, and … Continue reading →