The Sun is particularly active at the moment, unleashing powerful solar flares and causing radio blackouts on Earth. This is all part of an 11-year cycle that sees the Sun's poles reverse. Sun activity increases and decreases in an 11-year cycle known as the Schwabe cycle. From 1826 to 1843, German amateur astronomer Heinrich Schwabe observed the Sun, discovering that it
Solar activity is ramping up as the sun approaches its solar maximum. This is normal, but means more bursts of activity such as solar flares and coronal mass ejections. Here's what to know.
Sunspots and their cycle scitation.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scitation.org Daily Mail and Mail on Sunday newspapers.
The solar cycle describes an 11-year period of solar activity driven by the sun s magnetic field and indicated by the number of sunspots visible on the surface.