Windows to the Universe

Annual variation in the number of sunspot has been tracked for several hundred years. This graph shows data from 1700 to 1993.
NOAA/NGDC

This graph shows the number of sunspots on the surface of the Sun each year from 1700 to 1993. Notice that the number of sunspots changes. Is there a pattern? Image courtesy of NOAA.
NOAA/NGDC

The number of sunspots on the Sun changes each year. This graph shows that change between 1700 and 1993. Courtesy of NOAA.
NOAA/NGDC

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Annual variation in the number of sunspot has been tracked for several hundred years. This graph shows data from 1700 to 1993. NOAA/NGDC

This graph shows the number of sunspots on the surface of the Sun each year from 1700 to 1993. Notice that the number of sunspots changes. Is there a pattern? Image courtesy of NOAA. NOAA/NGDC

The number of sunspots on the Sun changes each year. This graph shows that change between 1700 and 1993. Courtesy of NOAA. NOAA/NGDC

Annual variation in the number of sunspot has been tracked for several hundred years. This graph shows data from 1700 to 1993.
NOAA/NGDC

This graph shows the number of sunspots on the surface of the Sun each year from 1700 to 1993. Notice that the number of sunspots changes. Is there a pattern? Image courtesy of NOAA.
NOAA/NGDC

The number of sunspots on the Sun changes each year. This graph shows that change between 1700 and 1993. Courtesy of NOAA.
NOAA/NGDC