Aurora records in royal chronicles from Korea show that during the 'Maunder Minimum' between 1645 and 1715, the sun's solar cycles became several years shorter than they are today. When you purchase ...

A scientist who claims waning solar activity in the next 15 years will trigger what some are calling a mini ice age has revived talk about the effects of man-made versus natural disruptors to Earth's ...

In 1645, something strange happened with our sun. Galileo was one of the first astronomers to document temporary blemishes on the solar surface, called “sunspots.” But in the mid 17th century they ...

Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously hidden information about the solar cycles before the grand solar minimum ...

The Maunder Minimum (1645-1715) is currently considered the only grand minimum within telescopic sunspot observations since 1610. During this epoch, the Sun was extremely quiet and unusually free from ...

The Sun's structure includes the photosphere (visible surface), chromosphere (reddish layer above the photosphere), and corona (outermost layer with extremely high temperatures). The Sun emits a ...

Sunspot cycles Images captured by SOHO's Extreme Ultraviolet Imaging Telescope demonstrate the changing face of our Sun. The brightest images occur during the solar maximum when the Sun’s magnetic ...