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Momentum of Exoplanets

When I think space stuff, I think solid, steady masses moving in organized orbits and rotations. But it turns out, they wobble! Isn't that kind of cute to think of a wobbling planet? Just me? [...]

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Cosmic Explosions

The vastness of space can boggle the mind, but when it comes down to it, the same forces that determine what happens when you drop an apple in the lunch line also determine how galaxies form and [...]

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Kinematics, Impulse, and Human Running

What separates the gold medal sprinters from the casual weekend jogger...besides the intense training, of course? Thanks to a careful analysis of human runners and good old-fashioned physics, we [...]