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FOR Solar flare

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Solar flare

...A solar flare is a sudden brightening observed over the Sun 's surface or the solar limb, which is interpreted as a large energy release of up to 6 ×... ...mainly followed by a colossal coronal mass ejection also known as a CME. The flare ejects clouds of electrons, ions, and atoms through the corona of... ...also used to refer to similar phenomena in other stars, where the term stellar flare applies. Solar flares affect all layers of the solar atmosphere ... ...er to similar phenomena in other stars, where the term stellar flare applies. Solar flares affect all layers of the solar atmosphere ( photosphere, ... ...r frequencies outside the visual range and for this reason the majority of the flares are not visible to the naked eye and must be observed with speci... ...re not visible to the naked eye and must be observed with special instruments. Flares occur in active regions around sunspot s, where intense magneti... ...ntense magnetic fields penetrate the photosphere to link the corona to the solar interior. Flares are powered by the sudden (timescales of minutes... ...and flares is still not well established. X-rays and UV radiation emitted by solar flares can affect Earth's ionosphere and disrupt long-range rad... ...disturb operation of radars and other devices operating at these frequencies. Solar flares were first observed on the Sun by Richard Christopher Car...

Flare star

...ramatic increases in brightness for a few minutes. It is believed that the flares on flare stars are analogous to solar flares in that they are due to... ...ew minutes. It is believed that the flares on flare stars are analogous to solar flares in that they are due to magnetic reconnection in the atmospher... ...crease is across the spectrum, from X rays to radio waves. The first known flare stars (V1396 Cygni and AT Microscopii) were discovered in 1924. Howev... ...Cygni and AT Microscopii) were discovered in 1924. However, the best-known flare star is UV Ceti, discovered in 1948. Today similar flare stars are cl... ...n variable star catalogs such as the General Catalogue of Variable Stars. Flares can happen once every few days, http://www.solstation.com/stars/alp-... ...t3.htm or, as in the case of Barnard's Star, much less frequently. Most flare stars are dim red dwarfs, although recent research indicates that les... ...r is TVLM513-46546, slightly heavier than the lower limit for red dwarfs.* Solar flareSuperflareVariable starUV Ceti and the flare stars, Autumn 2003 ...

Satellite flare

...{ align="right" Satellite flare (also known as satellite glint) is the phenomenon caused by the refle... ...menon caused by the reflective surfaces on satellites (such as antennas or solar panels) reflecting sunlight directly onto the Earth below and appeari... ...g sunlight directly onto the Earth below and appearing as a brief, bright "flare". The Iridium communication satellites have a peculiar shape with th... ...out 10 km diameter. To an observer this looks like a bright flash, or flare in the sky, with a duration of a few seconds. Ranging up to -8 magni... ...nds. Ranging up to -8 magnitude (rarely to a brilliant -9.5), some of the flares are so bright that they can be seen in the daytime; but they are mos... ...e at night. This flashing has caused some annoyance to astronomers, as the flares occasionally disturb observations and can damage sensitive equipment...

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Flare (novel)

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Flare (acrobatic move)

...g but his/her hands touching the mushroom. Variations There are several flare variants: Elbow Flares - The forearms (and thus the elbows) are used... ... Due to the low clearance of the legs this is a difficult variation. Lotus flares - A flare with the legs in lotus position . Half-Flares - Similar... ...A flare with the legs in lotus position . Half-Flares - Similar to Lotus flares, except the continuous swinging motion is performed in a figure-four... ... performed in a figure-four position instead of a "V" position. New Yorker Flares/Atomic Flares/Power Flares - starts with the opposite hand than a s... ...tomic Flares/Power Flares - starts with the opposite hand than a standard flare normally would be started with. For example, if the legs are going to... ...down to let it pass under. Its used when coming from Air tracks to flares. Solar flares - A flare with the hips very high in the air and the legs pike... ...round, the hip pops out from under, giving the feel of the sun's explosive solar flare. It looks very similar to an airflare and a chair flare combine...

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Solar astronomy

... Solar astronomy is stellar astronomy of the Sun. A major branch of Solar astronomy is Solar physics. ... ...be 287 km away.[1] See also Timeline of solar astronomy Solar telescopes ... ...lar astronomy Solar telescopes List of solar telescopes Coronagraph ... ...ww.cv.nrao.edu/fits/www/yp_solar.html http://sdo.gsfc.nasa.gov/ Solar Dynamics Observatory ... ... Planetary science Solar astronomy ... ... Solar wind Flare ...

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Solar physics

...applied optics, signal processing, computer vision, computational physics, stellar physics and solar astronomy. Because the Sun is... ...ween the related discipline of observational astrophysics (of distant stars) and observational solar physics. The study of solar p... ... The study of solar physics is also important as it is believed that changes in the solar atmosphere and solar activity can have a major im... ... Ancient times Ancient Chinese astronomers were observing solar phenomena (such as solar eclipses and visible sun... ...isible sunspots) with the purpose of keeping track of calendars, which were based on lunar and solar cycles. Unfortunately, records kept before 720 BC... ... Solar wind Flare ...

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Solar wind

...f their high kinetic energy and the high temperature of the corona . The solar wind is supersonic relative to the speed of sound within it, and ... ...rmous bubble-like shockwave in the interstellar medium that surrounds the Solar System . Other related phenomena include geomagnetic storm s tha... ...gson independently made the first observation of what would later be called a solar flare . This is a sudden outburst of energy from the Sun's atmosp... ...ndependently made the first observation of what would later be called a solar flare . This is a sudden outburst of energy from the Sun's atmosphere. ... ...h astrophysicist Arthur Eddington essentially suggested the existence of the solar wind, without naming it, in a footnote to an article on Comet Mo...

Solar storm

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Solar activity

...al phenomena occurring on or in the Sun, such as:Sunspot s and theSolar cycle Solar flare sSolar wind Coronal mass ejection Solar variation, the sum ... ...nomena occurring on or in the Sun, such as:Sunspot s and theSolar cycle Solar flare sSolar wind Coronal mass ejection Solar variation, the sum of all... ...ronal mass ejection Solar variation, the sum of all the periodic and aperiodic solar fluctuations; what is typically referred to when the term "solar ...

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Solar maximum

... ] Solar maximum or solar max is a normal period of greatest solar activity in the 11 year solar cycle of the Sun . During solar ... ...e sun's irradiance output grows by about 0.07%. The increased energy output of solar maxima can impact Earth's global climate and recent studies have ... ...recent studies have shown some correlation with regional weather patterns. At solar maximum, the Sun's magnetic field lines are the most distorted ... ... magnetic field lines are the most distorted due to the magnetic field on the solar equator rotating at a slightly faster pace than at the solar pole... ...solar equator rotating at a slightly faster pace than at the solar poles. The solar cycle takes an average of about 11 years to go from one solar ma... ...ariation in duration of 9 to 14 years for any given solar cycle. Large solar flare s often occur during a maximum. For example, the Solar storm of ...

Solar minimum

...Solar minimum is the period of least solar activity in the 11 year solar cycle of the sun. During this time, sun... ...ivity in the 11 year solar cycle of the sun. During this time, sunspot and solar flare activity diminishes, and often does not occur for days at a tim... ...in the 11 year solar cycle of the sun. During this time, sunspot and solar flare activity diminishes, and often does not occur for days at a time. Th... ...average over 12 months of sunspot activity, so identifying the date of the solar minimum usually can only happen 6 months after the minimum takes plac... ...ar minimum usually can only happen 6 months after the minimum takes place. Solar minima are not generally correlated with changes in climate but recen... ...t recent studies have shown a correlation with regional weather patterns. Solar minimum is contrasted with the solar maximum, where there may be hund... ...ear activity cycle. At a maximum, the sun is peppered with sunspots, solar flares erupt, and the sun hurls billion-ton clouds of electrified gas into ... ...a.gov/NOAAscales/ At a solar minimum, there are fewer sunspots and solar flares subside. Sometimes, days or weeks go by without a spot. It is a safe...

Solar variation

... variation is the change in the amount of radiation emitted by the Sun (see Solar radiation ) and in its spectral distribution over years to millen... ...ations have periodic components, the main one being the approximately 11-year solar cycle (or sunspot cycle). The changes also have aperiodic fl... ...Cavity Radiometer Irradiance Monitor (ACRIM) (Satellite observations of total solar irradiance); access date 2012-02-03 In recent decades, solar act... ...nterested in understanding the effects of variations in the total and spectral solar irradiance on Earth and its climate . Variations in total solar... ... found to vary significantly more than previously thought over the course of a solar cycle. Total solar output is now measured to vary (over the last ... ...proton events Energetic proton s can reach Earth within 30 minutes of a major flare's peak. During such a solar proton event, Earth is showered in e... ...is showered in energetic solar particles (primarily protons) released from the flare site. Some of these particles spiral down Earth's magnetic field ...

Solar prominence

Solar cycle 21

... The Sun, recorded at the H-alpha wavelength, during solar cycle 21 (28 April 1980). ... ... Cycle chronology Previous cycle Solar cycle 20 (1964-1976) ... ... cycle 20 (1964-1976) Next cycle Solar cycle 22 (1986-1996) ... ... Solar cycle 22 (1986-1996) Solar cycle 21 was the 21st solar cycle... ... Solar cycle 21 was the 21st solar cycle since 1755, when extensive recording of solar sunspot activity began.[1][2] The... ...mum was 12.3.[3] There were a total of 273 days with no sunspots during this cycle.[4][5][6] The largest solar flare of this cycle (X15) occurred on J...

Solar cycle 10

... Solar cycle 10 Sunspots during solar cycle 10, as sketched by Richard ... ... Cycle chronology Previous cycle Solar cycle 9 (1843-1855) ... ...r cycle 9 (1843-1855) Next cycle Solar cycle 11 (1867-1878) ... ... Solar cycle 11 (1867-1878) Solar cycle 10 was the tenth solar cycl... ... Solar cycle 10 was the tenth solar cycle since 1755, when extensive recording of solar sunspot activity began.[1][2] The... ...ely 406 days with no sunspots during this cycle.[4][5][6] The first observation of a solar flare, by Richard Carrington, occurred ... ... their power supplies. From August 28, 1859 until September 2, numerous sunspots and solar flares were observed on the sun. Just b... ...ed on the sun. Just before noon on September 1, the British astronomer Richard Carrington observed the largest flare,[8] which caused a massive corona...

Solar cycle 23

... The Sun, with some sunspots visible, during solar cycle 23 (2003). ... ... Cycle chronology Previous cycle Solar cycle 22 (1986-1996) ... ... cycle 22 (1986-1996) Next cycle Solar cycle 24 (2008-) ... ... NASA sunspot number predictions for Solar cycle 23 and 24 ... ... number predictions for Solar cycle 23 and 24 Solar cycle 23 was the 23rd solar cycle since 1755, when extensive ... ... south as Florida and South Europe.[7] On 14 July 2000, the Coronal Mass Ejection (CME) hurled by a X5.7 solar flare provoked an extreme (G5 level) ge... ...tosphere. Auroras were observed as far south as Mexico and South Europe. The following day, a very large solar flare occurred on 2 April 2001, an X20-... ...ery large solar flare occurred on 2 April 2001, an X20-class, but the blast was directed away from Earth. This flare was the second most powerful ever... ... was the second most powerful ever recorded. In late October 2003, a series of large solar flares occurred. A X17.2-class flare ej...

Solar cycle 15

...lar cycle 15 Sunspots recorded during solar cycle 15 (23 January 1923). ... ... Cycle chronology Previous cycle Solar cycle 14 (1902-1913) ... ... cycle 14 (1902-1913) Next cycle Solar cycle 16 (1923-1933) ... ... Solar cycle 16 (1923-1933) Solar cycle 15 was the fifteenth solar ... ... Solar cycle 15 was the fifteenth solar cycle since 1755, when extensive recording of solar sunspot activity began.[1][2] The... ...gnetic storms in March 1918, August 1919, October 1919, and March 1920 affected telegraph lines, while a solar flare on 13 May 1921 also affected rail...

Solar cycle 22

... The Sun, with some sunspots visible, during solar cycle 22 (1992). ... ... Cycle chronology Previous cycle Solar cycle 21 (1976-1986) ... ... cycle 21 (1976-1986) Next cycle Solar cycle 23 (1996-2008) ... ... Solar cycle 23 (1996-2008) Solar cycle 22 was the 22nd solar cycle... ... Solar cycle 22 was the 22nd solar cycle since 1755, when extensive recording of solar sunspot activity began.[1][2] The... ...lt of a Coronal Mass Ejection on March 9, 1989.[8] A few days before, on March 6, 1989, a very large X15 solar flare also occurred.[9] At 2:44 am on M... ...ciated with geomagnetically induced currents.[14] Since 1995, geomagnetic storms and solar flares have been monitored from the Sol... ...halt of all trading on Toronto's stock market.[16] This geomagnetic storm was caused by a very large X20 solar flare on August 16, 1989, which was eve...