solar activity

solar activity
солнечная активность (деятельность)

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

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  • solar activity — Saulės aktyvumas statusas T sritis ekologija ir aplinkotyra apibrėžtis Periodiškai kas 11,16 metų kintantys Saulės atmosferos dariniai ir reiškiniai. Stiprėjant Saulės aktyvumui, Saulės fotosferoje susidaro stiprūs vietiniai magnetiniai laukai,… …   Ekologijos terminų aiškinamasis žodynas

  • solar activity — Astron. the sum of all variable and short lived disturbances on the sun, as sunspots, prominences, and solar flares. * * * …   Universalium

  • solar activity — Astron. the sum of all variable and short lived disturbances on the sun, as sunspots, prominences, and solar flares …   Useful english dictionary

  • 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 maximum — or solar max is the period of greatest solar activity in the solar cycle of the sun. During solar maximum, sunspots appear.Solar maximum is contrasted with solar minimum. Solar maximum is the period when the sun s magnetic field lines are the… …   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 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 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

  • 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 and Heliospheric Observatory — Infobox Space telescope name = Solar and Heliospheric Observatory (SOHO) caption = organization = ESA / NASA alt names = nssdc id = location = L1 orbit type = height = 1.5×106 km (heliocentric) period = 1 Earth year velocity = accel gravity =… …   Wikipedia


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