YR4 is back in the spotlight. Brand new research has produced a better estimate of its size and orbit, which give it a 3.8 ...

This is compared with the time frame of Newton's work on his second law, the law of gravitational attraction and calculus from the late 1600's. Kepler was able to arrive at this second law without the ...

This project aims to establish a mobile, in-orbit platform capable of rapidly deploying space vehicles. If all goes as ...

Whether you’re prepping a rough wood surface or stripping an existing finish, an orbital sander achieves smooth, polished results. Unlike belt sanders that only move in one direction ...

“So there we are, loss of 6DOF control, four aft thrusters down, and I’m visualizing orbital mechanics,” Wilmore explained. Wilmore said the loss of the capsule’s four thrusters almost ...