Mars is wobbling, and scientists have questions | WHAT REALLY HAPPENED

Mars is wobbling, and scientists have questions

When you think of the planets in our solar system you probably imagine that they just kind of spin like tops. They rarely rotate exactly in line with their orbital plane — Earth, for example, spins at an angle of roughly 24 degrees — but most simple models of the solar system make it look like planets spin perfectly. Well, some don’t, and we just discovered that Mars is one of those planets.

In a new paper published in Geophysical Research Letters, scientists reveal that Mars has a bit of a wobble to it. This means that its poles don’t line up perfectly all the time, shifting on a timeline of roughly 207 days. That makes Mars the second planet with a known wiggle (called a Chandler wobble). The first? Earth.

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