This is often described as "the acceleration due to gravity". Is this really the best thing to call this? No. A better name would be "the local gravitational field" and list it in units of: ...

I was assuming he got his gun out into orbit at a reasonable distance before firing. It takes about 42km/s to escape the Sun's gravity at 1 AU. If the gun is matching Earth's speed at 32km/s and ...

How does gravity work? Gravity applies an effective force of mutual attraction to things with inertial mass, including physical matter and photons. The force of gravity is transmitted through ...