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Topic: Great Red Spot


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  Great Red Spot - Wikipedia, the free encyclopedia
The Great Red Spot is a persistent anticyclonic storm on the planet Jupiter, 22° south of the equator, which has lasted at least 340 years.
The colorful, wavy cloud pattern to the left of the Red Spot is a region of extraordinarily complex and variable wave motion.
The Great Red Spot's dimensions are 24–40,000 km × 12–14,000 km.
en.wikipedia.org /wiki/Great_Red_Spot   (451 words)

  
 Great Red Spot
This color may be due to the condensation of phosphorus at the cloud tops, to contamination by organic molecules such as nitriles produced by electrical storms, or to material dredged from deeper within Jupiter's atmosphere and then altered by the Sun's radiation..
The Spot is thought to be a hurricane-like disturbance caused and maintained by the Coriolis effect.
Infrared observations and the direction of its rotation indicate that the Spot is a high-pressure zone whose cloud tops are significantly higher and colder than the surrounding regions.
www.daviddarling.info /encyclopedia/G/greatred.html   (460 words)

  
 The Great Red Spot   (Site not responding. Last check: 2007-10-21)
The Great Red Spot is a great anti-cyclonic (high pressure) storm akin to a hurricane on Earth, but it is enormous (three Earths would fit within its boundaries) and it has persisted for at least the 400 years that humans have observed it through telescopes.
Galileo view of the Great Red Spot, and a closeup of the turbulence in its vicinity.
Presumably the persistence of the Great Red Spot is related to the fact that it never comes over land, as in the case of a hurricane on Earth, and that it is driven by Jupiter's internal heat source.
csep10.phys.utk.edu /astr161/lect/jupiter/redspot.html   (321 words)

  
 Great Red Spot   (Site not responding. Last check: 2007-10-21)
The Great Red Spot is an anticyclonic (high-pressure) storm on the planet Jupiter 22° south of the equator; which lasted at least 300 years.
This dramatic view of Jupiter's Great Red and its surroundings was obtained by Voyager 1 on February 25 1979 when the spacecraft was 5.7 million (9.2 million kilometers) from Jupiter.
The colorful wavy cloud to the left of the Red Spot a region of extraordinarily complex and variable motion.
www.freeglossary.com /Great_Red_Spot   (465 words)

  
 08.01.2006 - New images of Jupiter's red spots
While the new red spot is about the size of Earth, the Great Red Spot is nearly twice that diameter and has been circling the planet for at least 342 years.
When the astronomers viewed the planet through a narrow-band filter centered on the 1.58 micron, near-infrared wavelength, Red Spot Jr., which was called Oval BA before it changed from white to red, was a lot darker, indicating that the tops of the storm clouds may be lower than those of the Great Red Spot.
Both spots appear dark because the clouds completely block heat emanating from lower elevations, though narrow regions around the spots that are devoid of clouds show leakage of heat into space.
www.berkeley.edu /news/media/releases/2006/08/01_redspotjr.shtml   (1385 words)

  
 Catalog Page for PIA00296
This view of Jupiter's Great Red Spot is a mosaic of two images taken by the Galileo spacecraft.
The Great Red Spot is a storm in Jupiter's atmosphere and is at least 300 years-old.
In this oblique view, where the Great Red Spot is shown on the planet's limb, it appears longer in the north-south direction.
photojournal.jpl.nasa.gov /catalog/PIA00296   (157 words)

  
 Transit Times of Jupiter's Great Red Spot
The Great Red Spot is upper left of centre.
The spot was named around 1878 when it turned a vivid brick red, but in recent decades it has generally been a much less conspicuous pale tan.
Above is a calculator you can use to predict the local and Universal Times and dates when the centre of the Great Red Spot should cross Jupiter's central meridian, the imaginary line down the centre of the planet's disk from pole to pole.
www.geocities.com /blobrana/features/GRS.htm   (348 words)

  
 HubbleSite - NewsCenter - Hubble Snaps Baby Pictures of Jupiter's "Red Spot Jr." (05/04/2006) - Release Images
For the first time in history, astronomers have witnessed the birth of a new red spot on the giant planet, which is located half a billion miles away.
The storm is roughly one-half the diameter of its bigger and legendary cousin, the Great Red Spot.
The red color traces high-altitude haze blankets: the equatorial zone, the Great Red Spot, the second red spot, and the polar hoods.
hubblesite.org /newscenter/archive/releases/2006/19/image/a   (791 words)

  
 BBC NEWS | Science/Nature | Jupiter growing another red spot
Both red spots are actually raging storms in Jupiter's cloud layer, but scientists don't yet know how they get their characteristic brick colour.
Red Jr is about half the size of the Great Red Spot and almost exactly the same colour, Science@Nasa reports.
Some scientists believe a similar merger to the one that created Red Jr may have created the Great Red Spot, which is twice as wide as our planet and at least 300 years old.
news.bbc.co.uk /1/hi/sci/tech/4781730.stm   (344 words)

  
 False Color of Jupiter's Great Red Spot
The Great Red Spot appears pink and the surrounding region blue because of the particular color coding used in this representation.
This image shows the Great Red Spot to be relatively high, as are some smaller clouds to the northeast and northwest that are surprisingly like towering thunderstorms found on Earth.
The deepest clouds are in the collar surrounding the Great Red Spot, and also just to the northwest of the high (bright) cloud in the northwest corner of the image.
www.solarviews.com /cap/jup/galjup2.htm   (357 words)

  
 Jupiter's Great Red Spot   (Site not responding. Last check: 2007-10-21)
The red colour may come from condensation of phosphorus at the cloud tops, or from contamination by organic molecules, such as nitrites, synthesized by lighting discharges deep in Jupiter's atmosphere.
The dark spots between the GRS and the south pole are remnants of the impact of the comet Shoemaker-Levy 9 on Jupiter in July 1994.
Series of pictures of the Great Red Spot obtained by the Hubble Space Telescope between 1992 and 1999, showing that the GRS changes in shape, size and colour over the years.
www.fluid.tue.nl /WDY/vort/intro/redspot.html   (485 words)

  
 Galileo End of Mission
Ammonia ice (light blue) is shown in clouds to the northwest (upper left) of the Great Red Spot.
This unusual cloud, inside the turbulent wake region of the Great Red Spot, is produced by powerful updrafts of ammonia-laden air from deep within Jupiter's atmosphere.
The Great Red Spot, which has existed for at least 300 years, is the oldest and largest weather system in our solar system.
www.jpl.nasa.gov /webcast/galileo/img-8-redspot.cfm   (143 words)

  
 APOD: 2002 February 5 - Giant Storm Systems Battle on Jupiter
Great Red Spot, while the smaller is a large white oval.
The white oval is part of a belt of clouds that circles Jupiter faster than the Great Red Spot.
The oval started being slowed by the Great Red Spot two weeks ago and the collision could last another month.
antwrp.gsfc.nasa.gov /apod/ap020205.html   (144 words)

  
 SPACE.com -- Jupiter's Red Spot: Images of the Storm
Jupiter's Great Red Spot -- the largest storm in the solar system -- is dramatically revealed in new images from the Hubble Space Telescope.
With a diameter of 15,400 miles, the Spot is almost twice the size of the Earth, and is one-sixth the diameter of Jupiter itself.
The Spot is notable for its longevity; it was first discovered in the 17th century.
www.space.com /scienceastronomy/solarsystem/jupiter_spot.html   (249 words)

  
 The Great Dark Spot on Jupiter
The Great Red Spot is a long-lasting storm rooted deep in Jupiter's atmosphere.
Indeed, the Great Dark Spot is invisible to the human eye.
West explains: "This dark spot is trapped by a polar vortex - a jet stream that encircles Jupiter's north pole." Fast-moving winds in the vortex act like an atmospheric wall, keeping the Dark Spot corralled at high latitudes.
www.firstscience.com /site/articles/spot.asp   (798 words)

  
 Great Red Spot and Jovian atmosphere
One possible explanation is that deep-seated bursts of thunderstorm-like convection periodically energize the overlying cloud layers, causing the spot to bloat in size, then gradually contract as the turbulence subsides.
The most notable feature among this ever-changing turbulence is the Great Red Spot, a huge storm system that could swallow up three Earths and is known to have existed for at least three centuries.
One of the instruments on board the Galileo orbiter being used to study the Jovian atmosphere and the Great Red Spot is the Near-Infrared Mapping Spectrometer (NIMS).
www.xs4all.nl /~carlkop/spotred.html   (1847 words)

  
 Great Red Spot
The Great Red Spot (GRS) on Jupiter is thought to be a giant storm that's been going on for more than two hundred Earth years.
The seeing and images were not particularly great and I decided to switch to my usual tried-and-tested eyepiece projection, using a 7mm Nagler (effective focal length 24000mm at f120).
Here is Jupiter's Great Red Spot doing its thing between 2130 and 2400 on 4th February 2002.
www.geocities.com /samirkharusi/great_red_spot.html   (602 words)

  
 Seeing Jupiter's Great Red Spot
There is one particular spot that is so well known that it could almost be considered famous.
The Great Red Spot is an oval feature about 7,500 by 15,600 miles in size.
The best times for observing the Great Red Spot is the time frame from 50 minutes before it transits the Jupiter's central meridian (the imaginary line down the center of the planet's apparent disk from one pole to the other) until 50 minutes after it transits the central meridian.
www.mindspring.com /~jeffpo/redspot.htm   (774 words)

  
 Jupiter's Great Red Spot Pictures
A picture of Jupiter's Great Red Spot and White Ovals taken by Voyager 1 in 1979.
White areas are the hottest, red is somewhat colder and fl is the coldest.
Jupiter's Great Red Spot is the coldest region in this picture of Jupiter.
www.the-planet-jupiter.com /jupiter-great-red-spot-pictures.html   (325 words)

  
 Great Red Spot - Picture - MSN Encarta
Great Red Spot - Picture - MSN Encarta
White clouds of frozen ammonia crystals and other colored clouds, including the Great Red Spot, swirl around in atmospheric currents as the planet rotates.
The Great Red Spot was photographed by Voyager 1 in 1979.
encarta.msn.com /media_461534148/Great_Red_Spot.html   (58 words)

  
 Jupiter's Great Red Spot | Solar System | AVA | Resources | Hayden Planetarium
The animation was compiled from blue filter images taken using the narrow-angle camera on NASA's Cassini spacecraft during seven rotations of Jupiter between October 1 and October 5, 2000.
Jupiter's Great Red Spot is a storm that has been present for centuries, first observed by Galileo 400 years ago.
One theory suggests the Great Red Spot is continually fueled by the smaller storms that merge with the giant storm.
www.haydenplanetarium.org /hp/vo/ava/avapages/P0413jupispot.html   (284 words)

  
 NASA - Jupiter's New Red Spot
It's about half the size of the famous Great Red Spot and almost exactly the same color.
A similar merger centuries ago may have created the original Great Red Spot, a storm twice as wide as our planet and at least 300 years old.
A favorite idea is that the storm dredges material from deep beneath Jupiter's cloudtops and lifts it to high altitudes where solar ultraviolet radiation--via some unknown chemical reaction—produces the familiar brick color.
science.nasa.gov /headlines/y2006/02mar_redjr.htm   (570 words)

  
 Universe Today » Archive » Jupiter’s Great Red Spots
Astronomers from UC Berkeley used the massive W.M. Keck Observatory in Hawaii to capture this infrared image of Jupiter and its two massive storms: the Great Red Spot and the smaller Oval BA.
Scientists still aren’t sure why the spots have turned red, but they think it might be that they dredge darker material up from deeper in the planet’s atmosphere; when exposed to ultraviolet light from the Sun, this material turns red.
Astronomers from the University of California, Berkeley, and the W. Keck Observatory in Hawaii last month snapped high-resolution near-infrared images of the Great Red Spot, a persistent, high-pressure storm on Jupiter, as an upstart storm, Red Spot Jr., breezed by it on its race around the planet.
www.universetoday.com /2006/08/01/jupiters-great-red-spots   (1334 words)

  
 Unexplained Mysteries :: The great red spot of Titan ?
Near the terminator (the line between day and night) at the bottom of this image is the 80 kilometer (50 mile) crater that has been previously seen by the Cassini radar, imaging cameras, and the visual and infrared spectrometer.At wavelengths shorter than 5 microns, the spot is not unusually bright.
The strange spectral character of this enigmatic feature has left the team with four possibilities for its source: the spot could be a surface coloration, a mountain range, a cloud, or a hot spot.
The hot spot hypothesis will be tested during a Titan flyby on July 2, 2006, when the visual and infrared spectrometer will take nighttime images of this area.
www.unexplained-mysteries.com /viewnews.php?id=41728   (407 words)

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