Watts Up With That?: Solar activity crashes – the Sun looks like a cueball

Right now, the sun is a cueball, as seen below in this image today from the Solar Dynamics Observatory (SDO) and has been without sunspots for 10 days. So far in 2018, 61% of days have been without sunspots. Via Robert Zimmerman, Behind The Black On Sunday NOAA posted its monthly update of the solar cycle, covering…

2018-04-11 20:24


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