How is Earth’s gravity generated?

Gravity is the warping of spacetime by mass or energy. A mass like the Earth warps spacetime so that the shortest path, the “path of least resistance,” for inertial movement is towards the Earth’s center. Using instruments like the Hubble Space Telescope, it’s possible to literally see the warping of spacetime by very massive objects …

Dig the big bang

In Annie Hall, young Woody Allen explains to his doctor that he won’t do his homework because the universe is expanding, so what’s the point? His mother exasperatedly tells him, “You’re here in Brooklyn. Brooklyn is not expanding!” I post this because I’ve been reading Coming Of Age In The Milky Way by Tim Ferris, …