#solar_cycle_15
Solar cycle 15
Solar activity from July 1913 to August 1923
Solar cycle 15 was the fifteenth solar cycle since 1755, when extensive recording of solar sunspot activity began. The solar cycle lasted 10.1 years, beginning in July 1913 and ending in August 1923. The maximum smoothed sunspot number observed during the solar cycle was 175.7, and the starting minimum was 2.5. During the minimum transit from solar cycle 15 to 16, there were a total of 534 days with no sunspots.
Mon 17th
Provided by Wikipedia
This keyword could refer to multiple things. Here are some suggestions:
0 searches
This keyword has never been searched before
This keyword has never been searched for with any other keyword.