An astronomical unit is 284 million kilometers, the average distance between the Earth and the sun. Astronomers shared that the comet is also approaching its closest point to the sun, a little ...
The Quadrantid meteor shower peaks in early January, offering dazzling fireballs and up to 120 meteors per hour.
Its highly elliptical orbit around the sun brings it as close as 1.03 astronomical unit (AU) to our home star and as far out as 10.37 AU. (One astronomical unit is the average distance between ...