Science
A mysterious ‘wobble’ is moving Mars’ poles around – Livescience.com
Like a teetering top, Mars refuses to rotate on a straight axis.

The Red Planet is wiggling and wobbling as it spins, research in the journalGeophysical Research Letters
confirms, and astronomers have no idea why.
Like a toy top that teeters as it loses speed, the poles ofMars
are wandering ever-so-slightly away from the planet’s axis of rotation, moving about 4 inches (10 centimeters) off-center every 200 days or so, researchers reported in a study published Oct. 13, 2020. That makes Mars only the second known planet in the universe to exhibit this phenomenon…
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