22 year cycle of solar activity

См. также в других словарях:

• Solar flare — A solar flare is a violent explosion in a star s (like the Sun s) atmosphere releasing as much energy as 6 times; 1025 Joules.cite journal last=Kopp first=G. coauthors=Lawrence, G and Rottman, G. year=2005… …   Wikipedia

• Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… …   Wikipedia

• Solar minimum — is the period of least solar activity in the solar cycle of the sun. During this time, sunspot and solar flare activity diminishes, and often does not occur for days at a time. The date of the minimum is described by a smoothed average over 12… …   Wikipedia

• Solar — means appertaining to the Sun, our planet s star. Solar also has other meanings. Related to energy * Active solar * Passive solar ** Passive solar building design * Solar cell, a device that directly creates electricity from solar energy * Solar… …   Wikipedia

• Solar cycle — The solar cycle, or the solar magnetic activity cycle, is the main source of periodic variation of all solar phenomena driving variations in space weather. [ [http://www7.nationalacademies.org/ssb/SSB Space weather97.pdf Space Weather: A Research …   Wikipedia

• solar cycle — Astron. the variation of sunspots, prominences, flares, and other solar activity through an 11 year cycle. Also called solar activity cycle. Cf. sunspot cycle. * * * Period in which several important kinds of solar activity repeat, discovered in… …   Universalium

• Year — A year (from Old English gēar) is the orbital period of the Earth moving around the Sun. For an observer on Earth, this corresponds to the period it takes the Sun to complete one course throughout the zodiac along the ecliptic. In astronomy, the… …   Wikipedia

• Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …   Wikipedia

• Solar wind — For other uses, see Solar wind (disambiguation). The solar wind is a stream of charged particles ejected from the upper atmosphere of the Sun. It mostly consists of electrons and protons with energies usually between 1.5 and 10 keV. The stream of …   Wikipedia

• Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… …   Wikipedia

• solar cycle — noun 1. : a cycle of disturbances in the sun and its atmosphere (as the fluctuation in the numbers and areas of sunspots or the form and shape of the corona) of an average length of about 11 years 2. : cycle of the sun * * * Astron. the variation …   Useful english dictionary