universal mutual gravitation
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What is Gravity, Anyway?
Q: What is gravity? (asked by Simon) Wow…great question. This is a question the greatest scientific minds have asked and tried to answer for centuries. It’s a question not even Stephen Hawking, the scientific genius of the century, has fully…
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Moving with the Tides
Have you ever been to the beach? If you’re from California like me, then I’m betting you have. If you’re from a place that’s not near an ocean and you’ve never been near the water all your life, then I’ll…
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Newton and Gravity
So, the moon stays in orbit around the Earth, right? Yeah, I thought so. But why? The moon’s orbit is not a straight line, which means it’s accelerated motion (using the physics definition, which is absolutely any change in speed or…
