Main Profile

At A Glance

The Solar Cycle

Date- 27th Oct 11 Source- http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html 'The number of sunspots increases and decreases over time in a regular, approximately 11-year cycle, called the sunspot cycle. The exact length of the cycle can vary. It has been as short as eight years and as long as fourteen, but the number of sunspots always increases over time, and then returns to low again.'
Length: 03:26

Contact

Questions about The Solar Cycle

Want more info about The Solar Cycle? Get free advice from education experts and Noodle community members.

  • Answer

Ask a New Question