The period in the sunspot cycle when solar activity is lowest and sunspots are least abundant.
in 2009 the sun was at its solar minimum, the quiet phase in its 11-year cycle of activity
Example sentencesExamples
Even in the years of solar minimum from 1994 to 1996, the military still dealt with 150 satellite problems per year.
We've recently had an unusual number of solar flares during the solar minimum.
What you see contrasting in the other picture is the sun at a period of solar minimum, or low activity.
With solar activity reaching a crescendo in the solar maximum period of 2000 to 2002, satellites are under more stress than they ever endured during the comparatively benign solar minimum of the mid-1990s.
Scientific projections of solar activity predict a solar minimum over the next two decades.
Definition of solar minimum in US English:
solar minimum
noun
Astronomy
The period in the sunspot cycle when solar activity is lowest and sunspots are least abundant.
in 2009 the sun was at its solar minimum, the quiet phase in its 11-year cycle of activity
Example sentencesExamples
What you see contrasting in the other picture is the sun at a period of solar minimum, or low activity.
We've recently had an unusual number of solar flares during the solar minimum.
Scientific projections of solar activity predict a solar minimum over the next two decades.
With solar activity reaching a crescendo in the solar maximum period of 2000 to 2002, satellites are under more stress than they ever endured during the comparatively benign solar minimum of the mid-1990s.
Even in the years of solar minimum from 1994 to 1996, the military still dealt with 150 satellite problems per year.