Examples of 'sunspot number' in a sentence

Meaning of "sunspot number"

sunspot number: Represents the numerical count of sunspots visible on the sun's surface within a specific period, often used in solar observation and research

How to use "sunspot number" in a sentence

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sunspot number
You can see the sunspot number at spaceweather.
Sunspot number across these many years has been linked to solar activity.
R is the relative sunspot number.
Wolf created a standard sunspot number index, the Wolf index, which continues to be used today . ".
The maximum usable frequency for skywave propagation is strongly influenced by sunspot number.
Relative sunspot number.
Solar maximum is characterized by intense solar activity and the greatest sunspot number.
Stay tuned for updates as the sunspot number continues to drop.
Even though 10 cm flux and sunspot number both indicate activity they have quite different scales.
On January 2 NOAA reported the new spot with a sunspot number of 23.
The Wolf sunspot number.
This is an 11-year oscillation in sunspot number.
The blue area shows the Sunspot number excess for the Sun Northern hemisphere ( 13-months mean ) ;.
For the third week in a row, we report an average daily sunspot number of 1.6.
The bottom plot shows the annual sunspot number from the SIDC in Belgium in blue.

See also

Solar activity, however, does not end as sunspot number decreases toward minimum.
Both the 10 cm flux and the International Sunspot Number are pointing to solar minimum.
Both the 10 cm radio flux and the sunspot number are an index for solar activity.

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Serial number of the temperature measuring equipment
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