Astronomy Without A Telescope – Gravity, Schmavity - Universe Today
The axiom that what goes up, must come down doesn’t apply to most places in the universe, which are largely empty space. For most places in the universe, what goes up, just goes up. On Earth, the tendency of upwardly-mobile objects to reverse course in mid-flight and return to the surface is, to say the least, remarkable. … Continue reading "Astronomy Without A Telescope – Gravity, Schmavity"