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Earth’s rotation froze for a billion years, scientists finally know why

For nearly a billion years, Earth’s rotation stopped slowing down. Locked in a rare cosmic balance, the planet’s day remained ...
The New York Times

Why rotating players over the festive period is best for everyone – the science explained

Midway through his first season in charge of Manchester United, Louis van Gaal wanted answers. Specifically, the festive period of 2014 was approaching and Van Gaal wanted to understand why the squad ...
SpaceRef

The Short Rotation Period of Hi’iaka, Haumea’s Largest Satellite

Hi’iaka is the larger outer satellite of the dwarf planet Haumea. Using relative photometry from the Hubble Space Telescope and Magellan and a phase dispersion minimization analysis, we have ...
Nature

Rotation Period of the Artificial Satellite 1958δ1

MY estimate of a decrease of 0.3 sec. in the rotation period (strictly the ‘tumbling’ period) is the residual effect, after making allowance for the difference between the flash period and the true ...
SpaceNews

An Explanation of the Rotational State of Mercury

Planetary scientists are announcing today a new explanation of the current rotational state of the planet Mercury. The report is being presented by Dr. Benoit Noyelles of the University of Namur, ...
Nature

The Markings and Rotation Period of Mercury

MUCH new light was thrown upon the rotation period of Saturn during the year 1903, and it seems highly probable that the next planet to afford us information as to the same feature will be the planet ...