Difference between revisions of "Solar wind"
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The solar wind creates the Heliosphere, a bubble in the interstellar medium surrounding the [[solar system]].<ref>[https://helios.gsfc.nasa.gov/heliosph.html The Heliosphere] from helios.gsfc.nasa.gov</ref> Solar wind also creates the [[aurora]] or "Northern Lights", and causes the tails of [[comet]]s to always point away from the sun. | The solar wind creates the Heliosphere, a bubble in the interstellar medium surrounding the [[solar system]].<ref>[https://helios.gsfc.nasa.gov/heliosph.html The Heliosphere] from helios.gsfc.nasa.gov</ref> Solar wind also creates the [[aurora]] or "Northern Lights", and causes the tails of [[comet]]s to always point away from the sun. | ||
| − | The solar wind is extremely sparse, containing only a few fast moving particles per cubic centimeter at the Earth. Normally by the time it reaches [[Earth]], it is composed of around 1-10 [[proton]]s per cubic centrimeter.<ref name=britannica/> These travel extremely quickly, at 350-700 km/s.<ref name=britannica/> However during [[solar flare]]s, the proton flux and velocity increases greatly. The exact geometry and extent of the solar wind is not well known. | + | The solar wind is extremely sparse, containing only a few fast moving particles per cubic centimeter at the Earth. Normally by the time it reaches [[Earth]], it is composed of around 1-10 [[proton]]s per cubic centrimeter.<ref name=britannica/> These travel extremely quickly, at 350-700 km/s.<ref name=britannica/> However, during [[solar flare]]s, the proton flux and velocity increases greatly. The exact geometry and extent of the solar wind is not well known. |
==Effect on the earth's clouds== | ==Effect on the earth's clouds== | ||
Latest revision as of 22:42, May 30, 2018
Solar wind consists of particles, usually electrons and protons, continually streaming away from the corona of the Sun.[1] The solar wind has a magnetic field effect on cosmic rays and thus on cloud coverage.[2]
The solar wind creates the Heliosphere, a bubble in the interstellar medium surrounding the solar system.[3] Solar wind also creates the aurora or "Northern Lights", and causes the tails of comets to always point away from the sun.
The solar wind is extremely sparse, containing only a few fast moving particles per cubic centimeter at the Earth. Normally by the time it reaches Earth, it is composed of around 1-10 protons per cubic centrimeter.[1] These travel extremely quickly, at 350-700 km/s.[1] However, during solar flares, the proton flux and velocity increases greatly. The exact geometry and extent of the solar wind is not well known.
Effect on the earth's clouds
- Svensmark and Friis-Christensen (1997) have shown that global cloud cover, observed by satellites, is linked to the strength of galactic cosmic rays modulated by the solar wind (r = 0.95).[4]
See also
References
- ↑ 1.0 1.1 1.2 Solar wind from britannica.com
- ↑ Nature, Not Human Activity, Rules the Climate from sepp.org
- ↑ The Heliosphere from helios.gsfc.nasa.gov
- ↑ Solar Wind Near Earth: Indicator of Variations in Global Temperature from mitosyfraudes.org