Solar cycle | Wikipedia audio article
Channel: wikipedia tts
Date: 07/05/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Solar_cycle


00:00:49 1 Definition
00:01:17 2 Observational history
00:04:58 3 Cycle history
00:07:10 3.1 Recent cycles
00:07:20 3.1.1 Cycle 25
00:07:46 3.1.2 Cycle 24
00:08:37 3.1.3 Cycle 23
00:09:19 4 Phenomena
00:09:43 4.1 Sunspots
00:11:42 4.2 Coronal mass ejection
00:13:42 5 Patterns
00:16:05 5.1 Hypothesized cycles
00:17:53 6 Solar magnetic field
00:18:30 7 Effects
00:18:39 7.1 Solar
00:18:47 7.1.1 Surface magnetism
00:19:42 7.2 Space
00:19:50 7.2.1 Spacecraft
00:21:20 7.2.2 Galactic cosmic ray flux
00:23:09 7.3 Atmospheric
00:23:18 7.3.1 Solar irradiance
00:27:39 7.3.2 Short-wavelength radiation
00:29:31 7.3.3 Solar radio flux
00:31:23 7.3.4 Clouds
00:33:13 7.4 Terrestrial
00:33:22 7.4.1 Organisms
00:34:21 7.4.2 Radio communication
00:35:39 7.4.3 Climate
00:38:50 8 Solar dynamo



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SUMMARY
=======
The solar cycle or solar magnetic activity cycle is the nearly periodic 11-year change in the Sun's activity (including changes in the levels of solar radiation and ejection of solar material) and appearance (changes in the number and size of sunspots, flares, and other manifestations).
They have been observed (by changes in the Sun's appearance and by changes seen on Earth, such as auroras) for centuries.
The changes on the Sun cause effects in space, in the atmosphere, and on Earth's surface. While it is the dominant variable in solar activity, aperiodic fluctuations also occur.