Lagrangian points (L points) are five specific regions within a two-body orbital system where gravitational forces achieve a state of balance, theoretically allowing a third body to maintain its ...

Visualization of the Sun-Earth Lagrange points. Orbital mechanics is a fun subject, as it involves a lot of seemingly empty space that’s nevertheless full of very real forces, all of which must be ...

Paul M. Sutter is an astrophysicist at The Ohio State University, host of "Ask a Spaceman" and "Space Radio," and author of "Your Place in the Universe" (Prometheus Books, 2018). Sutter contributed ...

Outer space is massive, and throughout the universe, everything is in motion. The Earth orbits around the Sun, the Moon orbits around the Earth, the Sun orbits around the center of the Milky Way, and ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...