We know gravity keeps the Moon in orbit. Why is there no gravity on the ISS?

This is an image of Newton’s Cannon. Given a high enough elevation, shooting a canon-ball at a high enough velocity will cause it to travel further and further until it just goes into orbit, falling around the earth. That is what’s happening inside the ISS. It’s called free-fall - the same as Newton’s canon-ball. The ISS is... Continue Reading →

Space Debris – A Dodging Problem

This is a no frill video (no audio) produced by scientists, to depict just how much junk "litter" we have floating around up in space, some of it going 35,000 miles per hour. Just something to think about.

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