How To Use Sunspot In A Sentence
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Hale also gained prominence as an astronomer with his invention of the spectroheliograph and the discovery of magnetic fields in sunspots.
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The nuclei of larger sunspots sometimes undergo disintegration or splitting into several parts.
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Using an observation technique known as farside, we can determine the position of sunspots on the hidden side of the Sun. Irene González-Hernández, a scientist at the NOAO (National Optical Astronomical Observatory) said during her address to the 4th International HELAS Conference in Lanzarote (Canary Islands) that: "activity in the farthest regions of the Sun.can be observed by looking at waves in the nearer regions.
Signs of the Times
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It went on to warn that further flares are likely in the next week, and because the sunspot is moving into line with Earth, the risk of disruptions is even greater as the solar activity will strike the planet head-on.
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For example, magnetic fields could be added to global simulations of solar convection to address the operation of the dynamo that drives the sunspot cycle.
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The Sun spins once on its axis once every 25 days at its equator, carrying sunspots around.
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When many sunspots are visible, the Sun is somewhat brighter than in ‘quiet’ times and radiates considerably more in the ultraviolet.
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In one such list the Jesuit astronomer Christopher Scheiner is included for his discovery of the sunspots.
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Decadal and longer changes in sunspot activity impacting warming and cooling cloud cover patterns are now being recognized as an important factor.
Confessions Of A Climate Crisis Skeptic
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Sunspot activity has been historically quite high since the 1970s, and if this correlates to climate as much data suggest, a fair amount of the warming attributed to CO2 forcing is actually due to solar cycles.
Matthew Yglesias » Today in Pessimism
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As a long time fan of contemporary folklore, I thought it might be interesting to track this particular meme, so I used a popular search engine feature in which I registered a particular string (the word sunspot, in this case), and every day it sent me a summary of every new use of this word found on Web sites, in blogs, Usenet newsgroups and newspapers, along with links to these articles.
ARRL Amateur Radio News
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He also used his telescope to discover the four largest satellites of Jupiter, the phases of Venus, and sunspots on the sun.
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He expanded on their work by pulling in historical records of auroras, naked-eye sunspots, and eclipses.
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The heavy line is the measured irradiance, the spikes up and down are the passage of faculae or sunspot groups across the solar disk.
October 28th, 2009
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Although at solar maxima there are more sunspots on the Sun's surface, their dimming effect is more than offset by the appearance of bright patches on the Sun's disc called faculae -- Italian for "little torches '.
Climate Ark Climate Change & Global Warming RSS Newsfeed
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Sunspots are areas of intense magnetic power where thermal convection from the interior of the Sun has been inhibited.
SciFi, Fantasy & Horror Collectibles - Part 1067
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Clearly the faculae on the sun are very small compared with sunspots and any attempt to numerically model the sun in its entirety is unlikely to be successful.
IPCC and Solar Correlations « Climate Audit
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Although at solar maxima there are more sunspots on the Sun's surface, their dimming effect is more than offset by the appearance of bright patches on the Sun's disc called faculae - Italian for "little torches".
WHAT REALLY HAPPENED
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It is also believed that an increase in sunspot activity can have an affect on pole reversal.
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Bound to the Earth, our only naturally occurring experience with space weather comes from what we can see with our eyes: eclipses, comets, auroras, and sunspots.
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The region on the sun's disk known as sunspot 1283 has been spouting off with one flare after another, earning it the title of "Old Faithful" among solar physicists.
Msnbc.com: Top msnbc.com headlines
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If disaster strikes - sunspots, clueless spouse, overtired self - you enter Time Machine's recovery mode.
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Solar keratoses, or ‘sunspots’, are small, red, flattish areas of scaly skin on the body that may sting if scratched.
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The fact that he could see the sunspots with the naked eye and that he could make out the umbrae and penumbrae of the spots suggest that they must have been extremely large.
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Using an observation technique known as farside we can determine the position of sunspots on the hidden side of the Sun.
PhysOrg.com - latest science and technology news stories
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When viewed through a telescope, sunspots have a dark central region known as the umbra, surrounded by a somewhat lighter region called the penumbra.
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They picture buildings distorted by dazzling sunspots that physicalize the relationship between image and viewer.
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Whether [the current downturn] is an omen of long-term sunspot decline, analogous to the Maunder Minimum, remains to be seen," Livingston and Penn caution in a recent issue of EOS.
GREENIE WATCH
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As they move around as the Sun spins, sunspots near the solar equator return to their starting point in about twenty-five days.
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The storm erupted from a region known as sunspot 1302.
Msnbc.com: Top msnbc.com headlines
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And the article’s study of variations in sunspot activity and cosmic rays goes up only until 1980.
Think Progress » Snow Declares Resurgence of Taliban ‘Predictable,’ Bush Previously Said It Was ‘No Longer…In Existence’
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A sunspot is a region on the Sun that is cooler than its surroundings.
Disturbing Sun
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The first, known as the meridional flow pattern, circulates between the sun's equator and its poles over a period of 17 to 22 years and acts like a conveyor belt of sunspots.
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In August it is crammed with holidaymakers, and all the usual paraphernalia of a Mediterranean sunspot.
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As a long time fan of contemporary folklore, I thought it might be interesting to track this particular meme, so I used a popular search engine feature in which I registered a particular string (the word sunspot, in this case), and every day it sent me a summary of every new use of this word found on web sites, in blogs, Usenet newsgroups, and newspapers, along with links to these articles.
EHam.net News
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Here a white sunspot shoots out giant magentic spikes into space.
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Officially, the flare-spouting region is called sunspot 1283.
FOXNews.com
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Associated with sunspots are brighter areas called faculae.
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Sunspots and solar storms tend to occur in 11-year cycles; the current cycle peaked in late 2000.
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They say that the concentrated magnetic fields in sunspots spread out all over the sun somewhat after the maximum of solar activity.
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While the appearance of auroras is a plus for night sky watchers as solar activity increases to the expected solar max increasing sunspots, solar flares, etc, much more consequential is the possibility of solar storm induced geomagnetic disturbances causing radio blackouts, damage to satellites, and, especially, possibly disastrous damage to electrical grids.
Solar Flare 2011: Aurora alert
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Note the white bands buried amid the black and gray sunspots, depicting the twin bands of the flare as it burst into view around the sunspots.
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Scientists are still figuring out the role of sunspots in space weather, but they do know that when a flare erupts, sunspots are often nearby.
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He also used his telescope to discover the four largest satellites of Jupiter, the phases of Venus, and sunspots on the sun.
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Solar storms tend to occur near sunspots, cool regions on the sun's surface that appear as dark blotches.
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The broadcast was snapped for a few seconds by the sunspot activity.
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The broadcast was snapped for a few seconds by the sunspot activity.
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The sun is a very complicated object and although observations of faculae, sunspots, differential solar rotation, helmet streamers, coronal mass ejections, solar cycles, etc. have been made for many years, it is extremely difficult for us to understand these features because we do not have sufficient information e.g. local lateral boundary conditions to analytically describe or numerically model the individual objects such as a sunspot.
IPCC and Solar Correlations « Climate Audit
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A sunspot five times the size of Earth could wreak havoc with satellites and radio communication systems, scientists warn, as it moves across the face of the sun and Earth moves directly into its firing line.
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Each sunspot consists of a dark central umbra, which is estimated to have a temperature in the region of 4000°C, and a surrounding penumbra, at a temperature in the region 5000°C.
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This includes the continuous survey of umbra and penumbra of the sunspot.
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The combination of these flows and their interaction with the magnetic field set up by the moving, electrically charged particles in the solar plasma is believed to create the sunspot cycle through a dynamo mechanism.
October 24th, 2009
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The darkest, central region of a sunspot, called the umbra, features tightly bundled magnetic field lines.
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He developed a great interest in broadcast noise, especially during sunspots.
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Early theories about sunspots were many and various including that sunspots were clouds or sunspots were solar asteroids.
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He discovered moons orbiting Jupiter, phases of Venus, sunspots, and features on the Moon that made it seem more like a planet.
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Between the mid-sixteenth and seventeenth centuries, the sunspot cycle shut down, reducing solar output by a mere 0.25 percent.
