Gravitational force is never truly zero. If it has mass, it is pulling at you, though it may be so close to zero that you don’t realize it.
Gravitational force is never truly zero. If it has mass, it is pulling at you, though it may be so close to zero that you don’t realize it.
Any given star is constantly emitting an unimaginably large, but finite, number of photons. A tiny few of them travel tens to hundreds of (Earth) years, only to end their journey in your eyeballs.
Even crazier when you consider how long that photon bounced around inside the star before escaping out into space
Screw photons, neutrinos are where the real numbers start racking up
And from the photon’s perspective, it all happened in an instant 🤯