Lose weight with less gravity!

You weigh less on the Equator than at the South Pole. I saw a show once about a science researcher that traveled the globe with a small scale and an ordinary garden gnome, you know, like the one on Travelocity TV commercials. At one point he weighed the gnome at the south pole and it weighed 309.82... Continue Reading →

How Big does a Moon Have to Be?

Not very big! It would just have to be natural. Not made by man! And it wouldn’t have to be there for very long either. Just long enough for it to be in orbit. The astronomical community doesn’t have a definition for moon other than it has to be a natural object. Thus captured asteroids... Continue Reading →

Solution to Joe Drops the Ball

In two previous blog posts about Newton's Cannon and Joe Drops the Ball I posed the question: If falling objects go faster and faster, why don’t orbiting objects fall out of orbit and crash to the ground? The question is legitimate and also has a perfectly legitimate explanation. The rate of a falling object is... Continue Reading →

What keeps satellites in orbit?

Satellites don't have or need engines to keep them in orbit. Once launched at their elevation and velocity, there's very little atmosphere to slow them down. They just go. Imagine firing a bullet parallel to the ground. After the initial launch of the bullet from the explosion in the gun barrel, the bullet needs no... Continue Reading →

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