University of Helsinki

The nearby star V889 Hercules rotates fastest at about 40 degrees latitude. This unusual rotation profile challenges established stellar models. Credit: Jani Närhi, University of Helsinki

Strange star amazes astronomers: V889 Hercules breaks the laws of rotation of stars

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The sun rotates fastest at the equator and the rate of rotation slows down at higher latitudes, while in the polar regions it is the slowest. But a nearby Sun-like star, V889 Hercules in the Hercules group 115 light years away
Identifying the genetics associated with the genes on the X chromosome can help in understanding the different characteristics between the sexes - such as height. Photo: shutterstock

The X chromosome may explain the origin of height differences between women and men

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