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| BLACK HOLE |
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The near vicinity of the black hole at the core of Galaxy NGC 4261 - artist concept: This is an illustration of how the night sky might look to a dweller in the core of galaxy NGC 4261, which harbours an 800-light-year-wide disk of dust and 1.2 billion-solar-mass black hole. [more]
Online: http://oposite.stsci.edu/pubinfo/pr/95/47.html
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| THE DOOMED STAR ETA CARINAE |
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A huge, billowing pair of gas and dust clouds are captured in this stunning NASA Hubble Space Telescope image of the supermassive star Eta Carinae. Using a combination of image processing techniques, astronomers created one of the highest resolution images of an extended object ever produced by Hubble Space Telescope. The resulting picture reveals astonishing detail. [more]
Online: http://www.stsci.edu/pubinfo/PR/96/23.html
OS: Windows 2000
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| UNVEILS MYRIAD GALAXIES |
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Several hundred never before seen galaxies are visible in this 'deepest-ever' view of the universe, called the Hubble Deep Field (HDF). Besides the classical spiral and elliptical shaped galaxies, there is a bewildering variety of other galaxy shapes and colours that are important clues to understanding the evolution of the universe. Some of the galaxies may have formed less than one billion years after the Big Bang. [more]
Online: http://www.stsci.edu/pubinfo/PR/96/01.html
OS: Windows 2000
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| GIANT "TWISTERS" |
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This NASA Hubble Space Telescope (HST) image reveals a pair of one-half light-year long interstellar 'twisters' -- eerie funnels and twisted-rope structures -- in the heart of the Lagoon Nebula (Messier 8) which lies 5,000 light-years away in the direction of the constellation Sagittarius. [more]
Online: http://www.stsci.edu/pubinfo/PR/96/38.html
OS: Windows 2000
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| COSMIC LENS |
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This NASA Hubble Space Telescope image of the rich galaxy cluster, Abell 2218, is a spectacular example of gravitational lensing. The arc-like pattern spread across the picture like a spider web is an illusion caused by the gravitational field of the cluster. [more]
Online: http://www.stsci.edu/public.html
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| PLANETARY NEBULAE |
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nasa/images/planetary_nebula.gif |
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This NASA Hubble Space Telescope image shows one of the most complex planetary nebulae ever seen, NGC 6543, nicknamed the 'Cat's Eye Nebula'. Hubble reveals surprisingly intricate structures including concentric gas shells, jets of high-speed gas and unusual shock-induced knots of gas. Estimated to be 1,000 years old, the nebula is a visual 'fossil record' of the dynamics and late evolution of a dying star. [more]
Online: http://www.stsci.edu/public.html
OS: Windows 2000
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| SATURN'S AURORA |
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This is the first image of Saturn's ultraviolet aurora taken by the Space Telescope Imaging Spectrograph (STIS) on board the Hubble Space Telescope in October 1997, when Saturn was a distance of 810 million miles (1.3 billion kilometres) from Earth. The new instrument, used as a camera, provides more than ten times the sensitivity of previous Hubble instruments in the ultraviolet. STIS images reveal exquisite detail never before seen in the spectacular auroral curtains of light that encircle Saturn's north and south poles and rise more than a thousand miles above the cloud tops. [more]
Online: http://www.stsci.edu/public.html
OS: Windows 2000
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| STELLAR "EGGS" |
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This eerie, dark structure, resembling an imaginary sea serpent's head, is a column of cool molecular hydrogen gas (two atoms of hydrogen in each molecule) and dust that is an incubator for new stars. The stars are embedded inside finger-like protrusions extending from the top of the nebula. Each 'fingertip' is somewhat larger than our own solar system. [more]
Online: http://www.stsci.edu/pubinfo/PR95/44.html
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| STELLAR COLLISION |
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This Hubble Space Telescope image provides a detailed look at a brilliant 'fireworks show' at the center of a collision between two galaxies. Hubble has uncovered over 1,000 bright, young star clusters bursting to life as a result of the head-on wreck. [more]
Online: http://oposite.stsci.edu/pubinfo/PR/97/34.html
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| MYSTERIOUS RINGS |
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This striking NASA Hubble Space Telescope picture shows three rings of glowing gas encircling the site of supernova 1987A, a star which exploded in February 1987. [more]
Online: http://www.stsci.edu/public.html
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| SUPERSONIC EXHAUST FROM NEBULA |
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M2-9 is a striking example of a 'butterfly' or a bipolar planetary nebula. Another more revealing name might be the 'Twin Jet Nebula'. If the nebula is sliced across the star, each side of it appears much like a pair of exhausts from jet engines. Indeed, because of the nebula's shape and the measured velocity of the gas, in excess of 200 miles per second, astronomers believe that the description as a super-super-sonic jet exhaust is quite apt. Ground-based studies have shown that the nebula's size increases with time, suggesting that the stellar outburst that formed the lobes occurred just 1,200 years ago. [more]
Online: http://www.stsci.edu/public.html
OS: Windows 2000
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© Australian Consolidated Press 2000. All rights reserved. |
