gravitation
New Research Could Help Resolve the “Three-Body Problem”
Perhaps you've heard of the popular Netflix show and the science fiction novel on which it is based, The Three-Body…
2 months ago
How Fast is Gravity?
How long would it take for the gravitational well created by the Sun to disappear, and the Earth and the…
9 years ago
Precession of the Equinoxes
When he was first compiling his famous star catalogue in the year 129 BCE the Greek astronomer Hipparchus noticed that…
14 years ago