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.

  • radix@lemmy.worldEnglish
    1·
    8 months ago

    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.