The solar system consists of stars, the Sun, 8 planets, dozens of moons, millions of asteroids, comets, and meteoroids. It orbits the centre of the Milky Way galaxy at about 515,000 mph.
With the skies darker for longer after the winter solstice, there are plenty of opportunities to spot the movement of the planets overhead. On January 15-16, Mars reaches opposition and will be ...
A planet parade is when several of our solar system's planets are visible in ... It's not an official astronomy term so you'll rarely hear astronomers use it. However, NASA has been known to ...