The mysterious 'rock or wobble' is moving Mars' poles around.
The red planet is wiggling and staggering as it rotates, research in the journal Geophysical Research Paper confirms, and astronomers don't know why.
The red planet is wiggling and staggering as it rotates, research in the journal Geophysical Research Paper confirms, and astronomers don't know why.
Like a toy top that loses teeter speed, the pole of Mars is sometimes straying slightly away from the planet's axis of rotation, every 200 days or so, about 4 inches (10 cm) off-center. Turning around, researchers said a study was published on October 13, 2020.
According to the American Geophysical Union (AGU) news blog, Eos.org, this phenomenon makes Mars the second known planet in the universe to be exhibited - known as Chandler Wobel. the Earth being the first.
Science writer Jack Lee writes in the EOS that the wobble is named after astronomer Seth Carlo Chandler, who discovered the phenomenon more than a century ago.
On Earth, the wobble is more pronounced: our planet's pole rotates about 30 feet (9 m) from its axis of rotation, rotating in a circular pattern that repeats every 433 days or so.
According to Eos, this wonky wobble/rock has a negligible effect on our planet, but it presents a puzzle nonetheless.
Scientists have calculated that Wobel should die naturally within a century of its origin, but our planet's current Wobble has been stronger for far longer than this.
Some - perhaps a combination of pressure changes in the atmosphere and oceans, a 2001 study proposed - seem to reign forever wavering, although the exact mechanism is still unknown.
The Mars Wobble is just puzzling. The new study's author has detected Wobble using 18 years of data collected by three satellites orbiting the Red Planet: Mars Odyssey, Mars Reconnaissance Orbiter and Mars Global Surveyor.
This short inning in the Martian poll should also resolve naturally, the team calculated, but currently appears to be strong.
According to Eos, the oceans, devoid of Mars and its formidable rotation, can be controlled by changes in atmospheric pressure alone, but it is necessary to study our suggestions neighborly to know for sure.
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