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Topic: Antumbra


In the News (Sat 25 May 19)

  
  Antumbra
An antumbra marks the path of annularity in an annular eclipse.
In an annular eclipse, the moon is not of sufficient size to completely cover the sun, and so its shadow is not long enough to reach the Earth and result in a total solar eclipse.
At maximum eclipse, the moon is surrounded by a ring, or annulus, of light, and the location on Earth where the ring can be seen is also the location of the "negative shadow", or antumbra.
www.cooldictionary.com /words/Antumbra.wikipedia   (140 words)

  
 theMAURITIUS.COM - 'Ring of fire' coming   (Site not responding. Last check: 2007-10-16)
The effect is to throw an "antumbra" or "negative shadow" on the Earth's surface as the Moon moves across the face of the Sun.
It is the track of this antumbra that is referred to as the path of annularity.
This particular annular eclipse is slightly unusual because the antumbra has a very high, northern track across the planet, and the northern edge of the negative shadow actually misses our planet.
www.themauritius.com /article-print-621.html   (790 words)

  
 Annular Solar Eclipse of 2005 October 03   (Site not responding. Last check: 2007-10-16)
Bisecting the Iberian Peninsula, the antumbra engulfs Madrid (08:56 UT) which lies near the central line.
After briefly skirting northern Chad, the antumbra sweeps across central Sudan where greatest eclipse occurs at 10:31:42 UT. The annular duration is 4m 31s, and the Sun is 71° above the desolate desert landscape.
Southernmost Somalia is the antumbra's final landfall (11:30 UT) before heading east across the Indian Ocean where the path ends at local sunset (12:22 UT).
sunearth.gsfc.nasa.gov /eclipse/SEmono/ASE2005/ASE2005.html   (1153 words)

  
 Body
In fact, the northern edge of the antumbra actually misses our planet so that one path limit is defined by the day/night terminator rather by the shadow's upper edge.
The antumbra quickly extends northward as it travels on a northwestern trajectory.
Crossing the ill-named land mass, the path width rapidly shrinks as the grazing antumbra begins its return to space.
www.users.globalnet.co.uk /~harwood/eclipses2003.htm   (1591 words)

  
 Eclipse - Wikipedia, the free encyclopedia
An annular eclipse is a total eclipse of luminary where a thin ring of light is visible around the intervening object.
For solar eclipses, the viewer is in the antumbra part of the Moon's shadow.
It is sheer coincidence that the Moon and Sun have nearly equal apparent sizes, making annular eclipses possible.
en.wikipedia.org /wiki/Eclipse   (1107 words)

  
 Solar Eclipse :: Pentacle Magazine :: The UK's leading Independent Pagan Magazine   (Site not responding. Last check: 2007-10-16)
The antumbra or negative shadow of the Moon -from where the annular phase of eclipse is visible - will strike the Earth at a very oblique angle.
As a result of this extraordinary geometry, the antumbra appears to graze the Earth's surface resulting in a broad, semicircular region that will experience the "ring of fire" effect.
Also, because of this unusual circumstance, instead of moving in a typical west-to-east fashion, as is the case with most solar eclipses, the shadow's movement will actually run in reverse -from east to west.
www.pentaclemagazine.org /php/modules.php?op=modload&name=News&file=article&sid=528   (2061 words)

  
 Vocabulary Notebook » Blog Archive » Antumbra   (Site not responding. Last check: 2007-10-16)
Like the antumbra of the of the annular eclipse, love only serves to partially blind you of the entirety.
Love lets you glimpse only that thin luminous ring of her total beauty, love is the antumbra that saves you.
This entry was posted on Monday, April 18th, 2005 at 10:06 pm and is filed under By Jeiel, Monday.
vocabbook.lux-lucis.net /wp-trackback.php?p=16   (154 words)

  
 NASA TP 2002-211618: Chapter 1
By 03:59 UT, the leading edge of the antumbra arrives along the southeastern coast of Iceland (Figure 1.6).
The length of annularity reaches its maximum duration of 3 minutes 37 seconds, the Sun's altitude is 3¡, and the antumbra's velocity is 1.06 km/s.
After traversing the Denmark Strait, the highly elliptical antumbra bisects Greenland where over a third of the enormous island lies within the track (Figure 1.4).
umbra.nascom.nasa.gov /eclipse/2003/text/chapter_1.html   (5664 words)

  
 Navis.gr - Eclipses, 2002
Racing across the Celebes Sea, the antumbra engulfs the Indonesian islands of Pulau Sangihe and Kepulauan Talaud.
The antumbra reaches the southern end of the Northern Mariana Islands chain at 22:10 UTC.
Over the course of 3 hours and 47 minutes, the Moon's antumbra travels along a path approximately 14,700 kilometres long and covering 0.2% of Earth's surface area.
www.navis.gr /miscella/eclipses.htm   (1330 words)

  
 [No title]   (Site not responding. Last check: 2007-10-16)
The annular eclipse will be visible across a sparsely populated swath of Earth from Scotland to the Canadian Arctic.%0D%0A%0D%0AStrange track%0D%0A%0D%0AThe extreme northern track of the Moon%27s shadow will likely make this one of the most unusual solar eclipses that will occur in the 21st century.
%0D%0A%0D%0AHere%27s why%3A%0D%0A%0D%0AThe antumbra or negative shadow of the Moon %96 from where the annular phase of eclipse is visible %96 will strike the Earth at a very oblique angle.
As a result of this extraordinary geometry%2C the antumbra appears to graze the Earth%92s surface resulting in a broad%2C semicircular region that will experience the %22ring of fire%22 effect.
www.democraticunderground.com /duforum/DCForumID62/Data/1344.txt   (475 words)

  
 Did you know? 1865 - LOL Facts - Web Software & Hosting
Rushing southeast, the antumbra quickly reaches the coast of Spain and Portugal (08:51 UT).
After briefly skirting through northern Chad, the antumbra sweeps across central Sudan where greatest eclipse occurs at 10:31:42 UT. The annular duration is 4m 31s, the path width is 162 kilometres and the Sun is 71° above the desolate desert landscape.
Southernmost Somalia is the antumbra's final landfall (11:30 UT) before heading across the Indian Ocean where the path ends at local sunset (12:22 UT).
www.gigfoot.net /lol/facts/1865.html   (572 words)

  
 "Amateur Astronomy". Sun Eclipses
Theoretically, these situations are described as the observer being in any of three kinds of Moon's shadow, the "umbra", the "antumbra", or the "penumbra", three Latin words meaning "shadow", "anti-shadow", and "near shadow".
The situations, on the other hand, may be taken at the reverse, by considering the observer in abstract no more, but the position of the Moon instead, relative to the observer, located on the Earth this time.
Due to the respective motions of the Moon and the Earth, an eclipse, of whatever sort, is moving.
stars5.netfirms.com /sunecl.htm   (733 words)

  
 Skywatchers see 'ring of fire' :: Pentacle Magazine :: The UK's leading Independent Pagan Magazine   (Site not responding. Last check: 2007-10-16)
The sky does not go completely fl; a ring or annulus of sunlight is still visible.
From start to finish, the antumbra's sweep across the planet lasted just 47 minutes.
Those viewing outside the favoured zone were treated to a partial eclipse, in which the Moon just took a bite out of the side of the Sun's disc.
www.pentaclemagazine.org /php/modules.php?op=modload&name=News&file=article&sid=551&mode=thread&order=0&thold=0   (771 words)

  
 Mexico Eclipse 2002   (Site not responding. Last check: 2007-10-16)
As the track begins to swing to the southeast, its width and central duration begin to increase.
Just before reaching its terminus, the antumbra passes 50 kilometers south of the southern tip of Baja, Mexico at 01:32 UT. In the final seconds of its earthbound trajectory, the shadow reaches the Pacific coast of Mexico, 30 kilometers south of Puerto Vallarta.
Under favorable weather conditions, observers on the center line will witness a spectacular ring of fire on the horizon as the Sun sets just after annularity.
www.3dglasses.net /christmaseclipse.html   (464 words)

  
 Annular Eclipse in Puerto Vallarta August 2001   (Site not responding. Last check: 2007-10-16)
The antumbra reaches the southern end of the Northern Mariana Islands chain at 22:10 UT (Figure 3).
Just before reaching its terminus, the antumbra passes 50 kilometres south of the southern tip of Baja, Mexico at 01:32 UT (Figure 4).
The antumbral shadow leaves Earth's surface at 01:35 UT. Over the course of 3 hours and 47 minutes, the Moon's antumbra travels along a path approximately 14,700 kilometres long and covering 0.2% of Earth's surface area.
www.puertovallarta.net /english/events_in_puerto_vallarta/cultural_events/annular_eclipse_2002.html   (548 words)

  
 "Amateur Astronomy". Moon Eclipses
In the same way that the Sun, during Sun eclipses, is generating three different kinds of shadows through the Moon, it does so through the Earth.
Trailing on the other side of the Earth are found an "umbra", an "antumbra", and a "penumbra" (from three Latin words meaning "shadow", opposed to the umbra", and "near umbra").
Due to the configuration of the Earth-Moon system, the "umbra" and the "penumbra" only are involved in a Moon eclipse, as it would need the Moon to be located about 4 times farther from the Earth to see the Earth at a smaller apparent diameter than the Sun
stars5.netfirms.com /moonec.htm   (545 words)

  
 The solar eclipse May 31. 2003: Times of the eclipse for Europe
The shadow axis passes to the far north where it barely grazes Earth's surface.
In fact, the northern edge of the antumbra actually misses Earth so that one path limit is defined by the day/night terminator rather than by the shadow's upper edge.
As a result the track of annularity has a peculiar "D" shape that is nearly 1200 kilometers wide.
www.astronomy.no /eclipse310503/times_abroad.html   (493 words)

  
 [No title]   (Site not responding. Last check: 2007-10-16)
In about a half hour, the antumbra will race across northern parts of the island.
In another hour, the antumbra will pass about 2000 km north of New Zealand.
A half hour after that, the antumbra will pass into space again.
www.cyhaus.com /eclipse/aug221998.htm   (116 words)

  
 Re: [CTRL] June: Eclipse August 11th May Fill The Sky.
As a consequence, the path of the antumbra is quite narrow and the duration is short.
Entering the Northern Territory, the antumbra passes 400 kilometres north of Alice Springs at 08:00 UT. The Sun's altitude will then be 39° as the path width (48 kilometres) and central duration (51 seconds) gradually increase.
This occurs because the curvature of Earth brings these regions further from the Moon and deeper into the antumbral shadow.
www.mail-archive.com /ctrl@listserv.aol.com/msg20106.html   (2802 words)

  
 Feburary 16,   (Site not responding. Last check: 2007-10-16)
After an hour an a half, the antumbra will reach greatest eclipse over the Indian Ocean.
After another half hour, the antumbra will finally touch down in northern Australia.
After another hour, the antumbra will leave Australia-only to fly back in to space ten minutes later.
www.cyhaus.com /eclipse/feb161999.htm   (124 words)

  
 SPACE.com -- Spacewatch Friday: Viewer's Guide: Strange Solar Eclipse on May 31
The Moon is not visible in this photo because of the colors created by Earth's atmosphere, which is nearer.
The antumbra or negative shadow of the Moon from where the annular phase of eclipse is visible will strike the Earth at a very oblique angle.
Also, because of this unusual circumstance, instead of moving in a typical west-to-east fashion, as is the case with most solar eclipses, the shadows movement will actually run in reverse from east to west.
www.space.com /spacewatch/annular_eclipse_030523.html   (1908 words)

  
 antumbra - OneLook Dictionary Search   (Site not responding. Last check: 2007-10-16)
We found one dictionary with English definitions that includes the word antumbra:
Tip: Click on the first link on a line below to go directly to a page where "antumbra" is defined.
antumbra : Worthless Word For The Day [home, info]
onelook.com /?w=antumbra&ls=a   (69 words)

  
 The First Crossing of Greenland Supersite   (Site not responding. Last check: 2007-10-16)
The First Crossing of Greenland - The First Crossing of Greenland A Narrative of the First Great Ski Expedition Fridtjof Nansen 342 pp.; illus., 6 x 9andquot; Softcover Available early 1999 In 1888 Fridtjof Nansen and five comrades skied across.
Eclipses During 2003 - Ends: 06:14:47 UT The first eclipse of the year is a total elliptical antumbra bisects Greenland where over a third of the lies within the track.
Latitude 0° - hydrospeed.Soon afterin 1995, he did the first complete descent of the upper Pacuare River in 29'000km on a 28ft trimaran crossing the Atlantic, Pacific and Indian Oceans; 17'000 kms on foot and.
www.zipwise.com /listings/the-first-crossing-of-greenland.htm   (396 words)

  
 Eclipses During 2002   (Site not responding. Last check: 2007-10-16)
The annular phase lasts just over one minute with the early morning Sun 6° above the horizon.
Just before reaching its terminus, the antumbra passes 50 kilometres south of the southern tip of Baja, Mexico at 01:32 UT (June 11) (Figure 4).
The antumbral shadow leaves Earth's surface at 01:35 UT (June 11).
sunearth.gsfc.nasa.gov /eclipse/OH/OH2002.html   (2534 words)

  
 Astrology on the Web: Eclipses
Porto, Portugal lies just outside the southern limit of the central track and will witness a partial eclipse.
Upon reaching the African continent, Algiers lies within the shadow's trajectory (09:05 UT) and next the antumbra passes through southern Tunisia and central Libya where the Moon's umbral shadow will return six months later during the total eclipse of 2006 Mar 29.
After briefly skirting through northern Chad, the antumbra sweeps across central Sudan where greatest eclipse occurs at 10:31:42 UT, the Sun high above the desolate desert landscape.
www.astrologycom.com /eclipse.html   (1807 words)

  
 Gerhana Matahari Cincin 11 Juni 2002   (Site not responding. Last check: 2007-10-16)
Ujung lain dari jalur gerhana cincin ini berada di Mexico.
Pada peristiwa GMC, bayangan Bulan yang jatuh ke permukaan Bumi bukanlah bayangan inti (umbra) Bulan, tetapi perpanjangannya yang dinamakam antumbra.
Bayangan antumbra Bulan pada GMC 11 Juni ini menyapu mulai dari ujung timur Samudra Pasifik sampai ujung baratnya.
www.as.itb.ac.id /~ferry/Articles/ASE20020611/ASE20020611.html   (991 words)

  
 IDEFS::HardDisc5.$.Office.ICENI.News2003.NewsApr.ICEApr   (Site not responding. Last check: 2007-10-16)
There are 3 types of shadow created in a Solar Eclipse:
Antumbra: Area after umbra, where Moon is too small to cover Sun.
Penumbra: That area, where the Moon only partially covers the Sun.
www.btinternet.com /~icenicomputerclub/Newsletter/IN0403.htm   (2578 words)

  
 Annular Eclipse in the Shetlands - May 31, 2003
Soon enough of the Sun had risen into the clear strip that the segment 'bitten' out already by the Moon was evident.
Due to the unusual geometrical conditions during this eclipse, with the antumbra actually reaching towards us from behind the North Pole, the missing part was on the right-hand side of the Sun.
The stunning sight remained with us for some 12 minutes, then all of the Sun had disappeared again behind the still-solid cloud field above us.
www.astro.uni-bonn.de /~dfischer/skyreports/shet2003   (2347 words)

  
 Antumbra   (Site not responding. Last check: 2007-10-16)
Just enter your Zip Code to see if we are recruiting in your area.
Find antumbra at one of the best sites the Internet has to offer!
Site map: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
www.picturetrai.com /antumbra.html   (256 words)

  
 2005 Total Eclipse Tahiti Cruise: Eclipse Information   (Site not responding. Last check: 2007-10-16)
From start to finish, the penumbra takes over five hours to sweep across the Earth.
The antumbra and umbra take about three and one-half hours to travel from the South Pacific into Central America before leaving the Earth's surface in Venezuela.
The ship sails from east from Tahiti to Pitcairn Island, then north to the eclipse path, the Marquesas Islands, and finally south to Tuamotu Archipelago before returning to Tahiti, a journey of over 6,000 km (3,700 mi).
www.flycapers.com /tours/voyages/2005/2005%20Hybrid%20Eclipse/eclipse1.html   (2244 words)

  
 The Irish Trojan’s Blog » Solar eclipse on Friday   (Site not responding. Last check: 2007-10-16)
The extremely narrow path of totality (45 seconds in duration at maximum eclipse) never touches land, though it comes damn close to various islands.
By the time the central eclipse shadow reaches Central America, it’ll be an “antumbra” instead of an “umbra” (meaning the eclipse is annular).
The annular “ring” of sunlight around the Moon will be extremely narrow; it should be a cool sight to see.
www.brendanloy.com /archives/017473.html   (1057 words)

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