Search Results

FOR Solar flare

(411 articles in 0.45 seconds)
  • Massive_X-Class_Solar_Flare.jpg

Solar flare

...On August 31, 2012 a long prominence/filament of solar material that had been hovering in the Sun's atmosphere, the corona, ... ... Solar flare and its prominence eruption recorded on June 7, 2011 by SDO in ... ... Solar flare and its prominence eruption recorded on June 7, 2011 by SDO in extrem... ...ysicist Alex Young from NASA Goddard Space Flight Center's predictions for solar activity in 2012. ... ... Evolution of magnetism on the Sun. A solar flare is a sudden flash of brightness observed over the Sun's surface... ...tion of magnetism on the Sun. A solar flare is a sudden flash of brightness observed over the Sun's surface or th... ...are is a sudden flash of brightness observed over the Sun's surface or the solar limb, which is interpreted as a large energy release of up to 6 × 102... ...ften, but not always, followed by a colossal coronal mass ejection.[1] The flare ejects clouds of electrons, ions, and atoms through the corona of the... ... used to refer to similar phenomena in other stars, where the term stellar flare applies. Solar flares affect all layers of the so...

  • US_Army_52253_Best_Warrior_At_Night.jpg

Flare

...during military training exercises. A flare, also sometimes called a fusee, is a type of pyrotechnic that produce... ...hnic that produces a brilliant light or intense heat without an explosion. Flares are used for signalling, illumination, or defensive countermeasures ... ...ation, or defensive countermeasures in civilian and military applications. Flares may be ground pyrotechnics, projectile pyrotechnics, or parachute-su... ...y be dropped from aircraft, fired from rocket or artillery, or deployed by flare guns or handheld percussive tubes. ... ... 2 Chemistry 2.1 Non-perchlorate flares 3 Civilian ... ...chlight Solar lamp ...

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...

  • Flare_sf_novel.jpg

Flare (novel)

... 26429687 Flare is a science fiction novel by American writers Roger Zelazny and Thom... ...Zelazny and Thomas Thurston Thomas, published in 1992. Flare describes the world as it may be in 2081, and the effects a future in... ...1, and the effects a future inter-planetary civilization would suffer if a solar flare occurred after almost 100 years without any solar activity. ... ... the effects a future inter-planetary civilization would suffer if a solar flare occurred after almost 100 years without any solar activity. ... ...cribe different people in various places suffering from the effects of the solar flare. References ... ...different people in various places suffering from the effects of the solar flare. References ...

  • Street_Acrobats_in_DC_-_2013-06-07_-_04.JPG

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...

  • Yohkohimage.gif

Solar astronomy

...omy is stellar astronomy of the Sun. A major branch of Solar astronomy is Solar physics. ... ....[1] See also Timeline of solar astronomy Solar telescopes ... ... Solar telescopes List of solar telescopes Coronagraph ... .../fits/www/yp_solar.html http://sdo.gsfc.nasa.gov/ Solar Dynamics Observatory ... ...science Solar astronomy ... ...ar wind Flare He... ...ar wind Flare He...

  • Yohkohimage.gif

Solar dynamo

...ions in the Sun's magnetic field which often result in the most noticeable solar activity.[1] These currents of electrical conduct... ...surface of the Sun and manifest themselves as sunspots on the surface. The solar dynamo is thought to be located at the tachocline, a region inside th... ... Research The detailed mechanism of the solar dynamo is not known and is the subject of current research.[2] ... ...o Atmospheric dynamo Solar activity References ... ...mpapa, Mark S; Hill, Frank; Norton, Aimee A; Pevtsov, Alexei A. "Causes of Solar Activity" (PDF). A Science White Paper for the Heliophysics 2010 Deca... ...ar wind Flare He...

  • Heliospheric-current-sheet.gif

Solar wind

...om the influence of the Sun's rotating magnetic field on the plasma in the solar wind. The solar wind is a stream... ... of particles varies in density, temperature, and speed over time and over solar longitude. These particles can escape the Sun's gravity because of th... ...c, electrical and electromagnetic phenomena in it. The solar wind flows outward supersonically to great distances, filling a regio... ... 2.1 Components and speed 2.2 Solar wind pressure 2.3 Coronal ... ...n 3 Effect on the Solar System 3.1 Magnetospheres ... ...e popular media. They are sometimes, but not always, associated with solar flares, which are another manifestation of magnetic energy release at the S... ...nhard (April 2, 2008). "Hinode: source of the slow solar wind and superhot flares". ESA. Retrieved 2008-05-07.  ^ ... ...ar wind Flare He... ...d Solar flare Sp...

  • Solar_Dynamics_Observatory_1.jpg

Solar physics

...al processing, computer vision, computational physics, stellar physics and solar astronomy. Because the Sun is uniquely situated f... ...cipline of observational astrophysics (of distant stars) and observational solar physics. The study of solar physics is also impor... ...y of solar physics is also important as it is believed that changes in the solar atmosphere and solar activity can have a major impact on Earth's clim... ...ncient times Ancient Chinese astronomers were observing solar phenomena (such as solar eclipses and visible sunspots) with the purp... ...h the purpose of keeping track of calendars, which were based on lunar and solar cycles. Unfortunately, records kept before 720 BC are very brief and ... ...ar wind Flare He...

  • Solar_land_area.png

Solar energy

...compared to all other energy sources. Solar energy is radiant light and heat from the sun harnessed using a range... ...from the sun harnessed using a range of ever-evolving technologies such as solar heating, solar photovoltaics, solar thermal energy, solar architectur... ...le energy and its technologies are broadly characterized as either passive solar or active solar depending on the way they capture and distribute sola... ...ing on the way they capture and distribute solar energy or convert it into solar power. Active solar techniques include the use of photovoltaic system... ...ive solar techniques include the use of photovoltaic systems, concentrated solar power and solar water heating to harness the energy. Passive solar te... ...ar wind Flare He...

Solar storm

  • Solar_Cycle_Prediction.gif

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 ...

  • Sunspot_Numbers.png

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 prominence

  • Wooden_hourglass_3.jpg

Solar time

...On a prograde planet like the Earth, the sidereal day is shorter than the solar day. At time 1, the Sun and a certain distant star are both overhead.... ...until a little later, at time 3, that the Sun is overhead again (1→3 = one solar day). More simply, 1-2 is a complete rotation of the Earth, but becau... ... is how long it takes noon to return. Solar time is a reckoning of the passage of time based on the Sun's positio... ...ge of time based on the Sun's position in the sky. The fundamental unit of solar time is the day. Two types of solar time are apparent solar time (sun... ...y. Two types of solar time are apparent solar time (sundial time) and mean solar time (clock time). Contents... ...ar wind Flare He...

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...