Gravity is one of the most fundamental things in physics. Everything and everyone has gravity. The more massive something is, the more gravity it has. When you jump into the air, Earth’s gravity brings you back down.… Continue reading.
The night before last, a comet named Palomar (actually known as C (for comet)/ 2020 T2 Palomar) was gliding near one of the most beautiful clusters of stars in the entire sky. It was parading about at about magnitude 11, which means that for my oldish eyes, it would be too faint to see.… Continue reading.
By David H. Levy
A long time ago, while I was writing my biography of Clyde W. Tombaugh, discoverer of Pluto, I learned from him that he had discovered other objects during his long search at the Lowell Observatory in Flagstaff, Arizona.… Continue reading.