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Topic: Aurora Australis


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In the News (Sat 4 Jul 09)

  
  Aurora Australis - Weather in Antarctica - Antarctic Connection   (Site not responding. Last check: 2007-10-22)
Aurora is the collective name given to the photons (light) emitted by atoms, molecules and ions that have been excited by energetic charged particles (principally electrons) travelling along magnetic field lines into the Earth's upper atmosphere.
Known as 'Aurora borealis' in the north, auroras occur in the upper atmosphere of both poles and are occasionally visible from middle latitudes as a dark red glow near the poleward horizon.
The Aurora Australis is caused by plasma particles from the sun (part of the solar wind) which enter the atmosphere.
www.antarcticconnection.com /antarctic/weather/aurora.shtml   (937 words)

  
 AURORA AUSTRALIS
This cover was returned to Fremantle on the "Aurora Australis" under tow of "Shirase" and then escort of RSA rescue tug "John Ross" before being postmarked on arrival.
This was the seasons voyage 1 and "Aurora Australis"arrived at Davis on 25th October and departed 29th October.
The "Aurora Australis" had arrived back in Hobart on the 16th December from her voyage 3 which was a 3 month long marine research expedition.
www.newzeal.com /steve/Ships/aurora.htm   (869 words)

  
 AllRefer.com - aurora borealis (Weather And Climate: Terms And Concepts) - Encyclopedia
The aurora borealis of the Northern Hemisphere is often called the northern lights, and the aurora australis of the Southern Hemisphere is known as the southern lights.
The aurora is seen in a variety of forms, e.g., as patches of light, in the form of streamers, arcs, banks, rays, or resembling hanging draperies.
The auroras coincide with periods of greatest sunspot activity and with magnetic storms (disturbances of the ionosphere which interfere with long-distance radio communication).
reference.allrefer.com /encyclopedia/A/aurorabo.html   (466 words)

  
 Aurora australis - Wikipedia, the free encyclopedia
Aurora Australis appearing in the night sky of Swifts Creek, 100km north of Lakes Entrance, Victoria, Australia
The Southern Lights, aurora that appear in the Southern Hemisphere, less well-known (by residents of the Northern Hemisphere) than the "Northern Lights" or Aurora Borealis, or
The Aurora Australis, an ice strengthened ship owned by PandO, and chartered by the Australian Antarctic Division for Antarctic research and for resupply of Australian Antarctic stations.
en.wikipedia.org /wiki/Aurora_australis   (137 words)

  
 News in Science - Auroras dance in unison - 30/10/2001
The first ever pictures of the northern and southern auroras expanding and brightening in unison have confirmed the theory that auroras occur in mirror image.
Historical documents from China later revealed that an aurora was observed on the same night, 16 September 1770, in the Northern Hemisphere.
Since then scientists have conducted ground and aircraft studies of simultaneous auroras but this is the first time they have been able to capture images of both hemispheres at the same time.
www.abc.net.au /science/news/stories/s403140.htm   (384 words)

  
 Aurora FAQ
Aurora Alerts Forum and from various e-mails sent to me. For each question there is a short, one-sentence answer, and a paragraph or two with a bit more explanation.
Aurora is a luminous glow of the upper atmosphere which is caused by energetic particles that enter the atmosphere from above.
Aside from the charged particles that cause the light of the aurora, there are currents flowing between the magnetosphere and the ionosphere inside and in the vicinity of the aurora.
odin.gi.alaska.edu /FAQ   (4264 words)

  
 EO Newsroom: New Images - Aurora Australis   (Site not responding. Last check: 2007-10-22)
Auroras are caused when high-energy electrons pour down from the Earth’s magnetosphere and collide with atoms.
Red aurora occurs from 200 km to as high as 500 km altitude and is caused by the emission of 6300 Angstrom wavelength light from oxygen atoms.
Green aurora occurs from about 100 km to 250 km altitude and is caused by the emission of 5577 Angstrom wavelength light from oxygen atoms.
earthobservatory.nasa.gov /Newsroom/NewImages/images.php3?img_id=4800   (261 words)

  
 The Aurora Australis   (Site not responding. Last check: 2007-10-22)
Two views of the Aurora Australis, these were among the few photos I managed to capture with my basic camera equipment.
Staring directly upwards as the aurora passed over head revealed it to be composed of hundreds of fingers of light all waggling furiously.
The aurora seemed alive with activity like a silent waterfall of light, constantly raining down yet never reaching the ground At times it felt almost close enough to touch but just out of reach.
www.ast.leeds.ac.uk /haverah/spaseman/aurora.shtml   (528 words)

  
 Aurora Australis   (Site not responding. Last check: 2007-10-22)
The left photo shows a view of the Aurora Australis taken from the Discovery spacecraft.
The photograph shows a band of airglow (extending from the middle to the right side), whose existence is attributable to atomic oxygen, at an altitude of 80 to 120 kilometres above the Earth.
The photo on the right shows a view of the Aurora Australis taken from Antarctica, whilst the bottom four photos show the Northern hemisphere equivalent, Aurora Borealis.
www.tiger.latrobe.edu.au /aurora.html   (75 words)

  
 Aurora & Solar Section, RASNZ   (Site not responding. Last check: 2007-10-22)
The Aurora & Solar Section of the Royal Astronomical Society of New Zealand exists to encourage and publish observations of the Aurora Australis (the "Southern Lights") and the Sun.
Aurorae are reported monthly and may be accessed via our Reports Contents Page.
Aurora Borealis: reports will be conveyed to the Aurora Section of the British Astronomical Association.
homepages.ihug.co.nz /~Sbevans/Aurora_Sun/aursun.htm   (253 words)

  
 P&O Polar Home
The Company was created in 1988 to be primarily engaged in the disponent ownership and management of the Research and Supply Vessel, Aurora Australis.
The Aurora Australis was constructed against a ten year time charter awarded to PandO Polar Australia Pty Ltd by the Australian Antarctic Division of the Commonwealth Government of Australia.
RSV Aurora Australis was built in Newcastle, Australia and sails under the Australian flag with an Australian crew.
portal.pohub.com /portal/page?_pageid=51,49056,51_49148:51_49550&_dad=pogprtl&_schema=POGPRTL   (457 words)

  
 USATODAY.com - Resources: Auroras   (Site not responding. Last check: 2007-10-22)
The aurora borealis — or northern lights —; have always fascinated and puzzled those who saw them.
The study of the aurora is part of the fairly new field of "space weather," which is concerned with the many interactions between the sun and the earth.
There are also "southern lights," the aurora Australis, around the southern magnetic pole.
www.usatoday.com /news/science/astro/understanding-aurora.htm   (314 words)

  
 Who made this exhibit? What are the sources?
Folklore and description of the aurora: Northern Lights and the Space Environment Center's topic paper on Auroras.
Aurora photo series courtesy Jan Curtis, from the night of 6-7 February, 2000, at Chena Hot Springs Resort, some 70 miles east of Fairbanks.
Auroras from the space shuttle: NASA JSC Digital Image Collection, NASA Photos, 06 May 1991, Aurora Australis, Sinuous Loop and Red Crown.
webexhibits.org /causesofcolor/credits.html   (2565 words)

  
 Auroras: Where Can You See Them?
The electrons that create auroras start in the outer layers of the field, where it is compressed by the solar wind.
The north pole aurora is called the aurora borealis and the aurora at the south pole is called the aurora australis.
This picture shows the north auroral oval during a major geomagnetic substorm on July 15, 2000, when the Sun was nearing the maximum in its 11-year activity cycle.
www.exploratorium.edu /learning_studio/auroras/seethem.html   (606 words)

  
 Aurora Borealis - Northern Lights
As the solar wind interacts with the edge of the earth's magnetic field, some of the particles are trapped by it and they follow the lines of magnetic force down into the ionosphere, the section of the earth's atmosphere that extends from about 60 to 600 kilometres above the earth's surface.
By studying the auroras, scientists can learn more about the solar wind, how it affects the earth's atmosphere and how the energy of the auroras might be exploited for useful purposes.
he aurorae appear over the Earth’s polar regions in what are known as the auroral ovals; in the northern hemisphere the auroral oval bulges that much further to the south, the stronger the solar wind is at any given moment.
virtual.finland.fi /finfo/english/aurora_borealis.html   (1377 words)

  
 Aurora Australis. Antarctic Summer. ABC News.
The Aurora Australis, also known as the southern lights.
Helicopter rides along the coast, pulling a sled with camera gear to a penguin colony and a haglund ride across the plateau....
Leaving Hobart on the Aurora Australis bound for Antarctica.
www.abc.net.au /news/specials/antarcticsummer/gallery/mawson/20021218_aurora.htm   (62 words)

  
 SPACE.com -- SPACE.com Cam: Aurora
Instruments on board the NOAA Polar-orbiting Operational Environmental Satellite (POES) continually monitor the power flux carried by the protons and electrons that produce aurora in the atmosphere.
This image shows the current extent and position of auroral activity in the northern hemisphere, based on measurements taken during the most recent polar pass of the NOAA POES satellite.
The images gives a guide to the possibility that the aurora is located near a given location, activity that may or may not be visible from the surface.
www.space.com /spacewatch/aurora_cam.html   (330 words)

  
 Aurora Australis photos by Paul Moss
Aurora Australis more about my astronomy (my Halleys comet photo)
The aurora played its fantastic show for another 3 hours, around 4~5 hours in all.
I would love to talk more about this white/green visual/photo thing, cause my recent aurora experience was very green, just like these shots.
homepages.paradise.net.nz /abundanc/space.html   (340 words)

  
 NGDC/STP - Auroras Australis (Southern Lights) Slide Set
Unique set of 20 spectacular slides taken by David Miller from Kangaroo Island in southern Australia showing the southern lights (aurora australis) during disturbed geomagnetic times - similar in nature to the northern lights (aurora borealis).
These wonderful displays are in full color and show the breathtaking colors and form of aurorae framed against background stars and landscapes.
They are a nice supplement to the NGDC educational 50 fl and white auroral slides (Auroras and Other Lights Viewed from Space) taken from DMSP satellites.
www.ngdc.noaa.gov /stp/SOLAR/aurora.html   (122 words)

  
 Net4TV Voice: Aurora Borealis
Aurora Australis
Northern Lights (aurora borealis) and southern lights (aurora australis) are caused by the same phenomena, and occur over their respective magnetic poles.
During periods of intense solar activity the aurora displays are at their peak.
Thanks to satellites in orbit around the earth and the internet, we have on-line real-time predictions and forecasts of when the aurora displays are or will be visible.
www.net4tv.com /voice/Story.cfm?storyID=1868   (334 words)

  
 Aurora australis -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-22)
Aurora australis -- Facts, Info, and Encyclopedia article
The Southern Lights, (Click link for more info and facts about polar aurora) polar aurora that appear in the (The hemisphere south of the equator) Southern Hemisphere, less well-known than the "Northern Lights" or Aurora Borealis, or
The Aurora Australis, an ice strengthened ship owned by P&O, and chartered by the (Click link for more info and facts about Australian Antarctic Division) Australian Antarctic Division for (The region around the south pole: Antarctica and surrounding waters) Antarctic research and for resupply of Australian Antarctic stations.
www.absoluteastronomy.com /encyclopedia/a/au/aurora_australis.htm   (93 words)

  
 definition of aurora
The aurora borealis or aurora australis (northern or southern lights).
Aurora, Before, Beginning, Borealis, Chariot, Crowfoot, Dawn, Day, Dew, Dropping, Fingers, Gentle, Goddess, Her, In, Just, Light, Lights, Morning, Northern, Ocean, Of, Or, Out, Personification, Poets, Redness, Represented, Rise, Rises, Rising, Roman, Rosy, Sky, Southern, Species, Sun, The, With
Aurora, Australis, Chariot, Dawn, Day, Dew, Goddess, In, Light, Morning, Ocean, Or, Out, Roman, Sky, Southern, Species, Sun
www.brainydictionary.com /words/au/aurora133653.html   (198 words)

  
 Australian Antarctic Division - Aurora Australis
Launched on the 18 September 1989 by Hazel Hawke, wife of the Australian Prime Minister, the Aurora Australis was purpose built for the Australian Antarctic program by PandO Polar.
Designed by Wartsila Marine Industries of Finland and built at the Carrington Slipways in Newcastle, the Aurora Australis, 3500 tonnes, is capable of penetrating 1.2 metre thick ice at 2 knots.
A robust little ship, known affectionately to many expeditioners as the Orange Roughy, the Aurora has served ANARE well, and is still on charter to the Antarctic Division.
www.aad.gov.au /?casid=1496   (360 words)

  
 Space Station Science Picture of the Day: Aurora Australis   (Site not responding. Last check: 2007-10-22)
He grabbed his digital camera and took a rapid-fire sequence of images, which we have stitched together into a movie.
Spanning 3 minutes and 17 seconds, the movie reveals a lot of activity: There are multiple glowing arcs, and bright knots of light that grow, divide and vanish.
Additional images taken by astronauts and cosmonauts may be viewed at the NASA-JSC Gateway to Astronaut Photography of Earth.
science.nasa.gov /ppod/y2003/12jun_auroras.htm   (271 words)

  
 [Forum] Aurora Australis Nov 10   (Site not responding. Last check: 2007-10-22)
From: Brendan Sisson Location: Duns Creek, NSW Australia Hi everyone, This is my first post to this forum (thanks to Ian Cooper from New Zealand for letting me know about it), so I thought I'd post a photo I took of the aurora australis last week.
What I thought may be of interest to some people here is seeing the Large and Small Magellanic Clouds with the Aurora.
The aurora can be seen over the lights of Maitland and you can just make out a bit of structure.
www.spacew.com /pipermail/forum/2004-November/001658.html   (188 words)

  
 Australian Antarctic Division - Aurora Australis
Designed as a multi-purpose research and resupply ship, the Aurora was built by PandO Polar and launched in September 1989.
The Aurora Australis is well equipped with a trawl deck, purpose designed for marine science and oceanographic work.
The ship is also fitted with a helipad and hangar facilities for three helicopters.
www.aad.gov.au /?casid=1039   (101 words)

  
 Auroras: Presented by the Exploratorium
The image provides an estimate of location, extent, and intensity of the aurora borealis.
The image provides an estimate of location, extent, and intensity of the aurora australis.
Visit Shooting the Aurora Borealis for more photos by Dick Hutchinson.
www.exploratorium.edu /auroras   (196 words)

  
 APOD: 2001 February 10 - Aurora Astern   (Site not responding. Last check: 2007-10-22)
Space Shuttle Endeavour made this spectacular time exposure of the southern aurora (aurora australis) in October of 1994.
Aurora, also known as the northern and southern lights, appear as luminous bands or streamers of light which can extend to altitudes of 200 miles.
They are typically visible from the Earth's surface at high latitudes and are triggered by
antwrp.gsfc.nasa.gov /apod/ap010210.html   (143 words)

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