Press Releases 2004

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Also see our press releases on eso.org, iau.org, astronomy2009.org.

heic0416 — Photo Release

Symphony of colours in the Tarantula

15 December 2004: The Tarantula Nebula is the most vigorous star forming region known in the local Universe. Using the power of the freely available ESA/ESO/NASA Photoshop FITS Liberator package a young amateur astronomer has created this amazing panorama of the centre of the Tarantula. The original image was taken by the NASA/ESA Hubble Space Telescope and subsequently retrieved from the ESO/ST-ECF Science Archive in Munich, Germany.

heic0415 — Science Release

Stellar survivor from 1572 A.D. explosion supports supernova theory

27 October 2004: An international team of astronomers is announcing today that they have identified the probable surviving companion star to a titanic supernova explosion witnessed in the year 1572 by the great Danish astronomer Tycho Brahe and other astronomers of that era.

heic0414 — Photo Release

Dying star creates fantasy-like sculpture of gas and dust

9 September 2004: A new study of a large number of planetary nebulae has revealed that rings, such as those seen here around the Cat's Eye Nebula, are much more common that thought so far and have been found in at least one third of all planetary nebulae. Although the rings may be the key to explaining the final agonized 'gasp' of the dying central star, the mystery behind the Cat's Eye nebula's nested Russian doll structure remains largely unsolved.

heic0413 — Photo Release

Hubble peers inside a celestial geode

12 August 2004: In this unusual image, the NASA/ESA Hubble Space Telescope captures a rare view of the celestial equivalent of a geode - a gas cavity carved by the stellar wind and intense ultraviolet radiation from a young hot star.

heic0412 — Science Release

FITS format liberation - DIY astronomical images with the expert touch

8 July 2004: For many years astronomical images from the world's telescopes were reserved for an elite of astronomers and technical people. Now anyone with a desktop computer running Adobe" Photoshop" software can try their hand at crafting astronomical images as beautiful as those from the Hubble Space Telescope. A free software plug-in, released today, makes a treasure trove of archival astronomical images and spectra from the NASA/ESA Hubble Space Telescope, the European Southern Observatory's Very Large Telescope, the European Space Agency's XMM-Newton X-ray observatory, NASA's Spitzer Space Telescope and many other famous telescopes accessible to home astronomy enthusiasts.

heic0411 — Photo Release

Hubble studies generations of star formation in neighbouring galaxy

1 July 2004: The NASA/ESA Hubble Space Telescope captures the iridescent tapestry of star birth in a neighbouring galaxy in this panoramic view of glowing gas, dark dust clouds, and young, hot stars. The star-forming region, catalogued as N11B lies in the Large Magellanic Cloud (LMC), located only 160,000 light-years from Earth. With its high resolution, the Hubble Space Telescope is able to view details of star formation in the LMC as easily as ground-based telescopes are able to observe stellar formation within our own Milky Way galaxy.

heic0410 — Science Release

First direct measurement of the mass of ultra-cool brown dwarf binary

15 June 2004: An international team of astronomers using the world's biggest telescopes have directly measured the mass of an ultra-cool brown dwarf star and its companion dwarf star for the first time. Barely the size of the planet Jupiter, the dwarf star weighs in at just 8.5 percent of the mass of our Sun. This is the first ever mass measurement of a dwarf star belonging to a new stellar class of very low mass ultra-cool dwarf stars. The observation is a major step towards our understanding of the types of objects that occupy the gap between the lightest stars and the heaviest planets.

heic0409 — Science Release

Discovering missing black holes: First Science from a Virtual Observatory

28 May 2004: A European team has used the Astrophysical Virtual Observatory (AVO) to find 30 supermassive black holes that had previously escaped detection behind masking dust clouds. The identification of this large population of long-sought 'hidden' black holes is the first scientific discovery to emerge from a Virtual Observatory. The result suggests that astronomers may have underestimated the number of powerful supermassive black holes by as much as a factor of five.

heic0408 — Photo Release

The remarkable Red Rectangle: A stairway to heaven?

11 May 2004: Astronomers may not have observed the fabled "Stairway to Heaven", but they have photographed something almost as intriguing: ladder-like structures surrounding a dying star.

heic0407 — Photo Release

Demise in ice and fire

29 April 2004: The Bug Nebula, NGC 6302, is one of the brightest and most extreme planetary nebulae known. At its centre lies a superhot, dying star smothered in a blanket of hailstones. A new Hubble image reveals fresh detail in the wings of this cosmic butterfly.

heic0406 — Science Release

Hubble's deepest view ever of the Universe unveils earliest galaxies

9 March 2004: Astronomers today unveiled the deepest portrait of the visible Universe ever achieved by humankind. Called the Hubble Ultra Deep Field (HUDF), the million-second-long exposure reveals the first galaxies to emerge from the so-called "dark ages", the time shortly after the big bang when the first stars reheated the cold, dark Universe. The new image should offer new insights into what types of objects reheated the Universe long ago.

heic0405 — Photo Release

V838 Monocerotis revisited: Space phenomenon imitates art

4 March 2004: Starry Night", Vincent van Gogh's famous painting, is renowned for its bold whorls of light sweeping across a raging night sky. Although this image of the heavens came only from the artist's restless imagination, a new picture from the NASA/ESA Hubble Space Telescope bears remarkable similarities to the van Gogh work, complete with never-before-seen spirals of dust swirling across trillions of kilometres of interstellar space.

heic0404 — Science Release

Hubble and Keck team up to find farthest known galaxy in the Universe

15 February 2004: An international team of astronomers may have set a new record in discovering what is the most distant known galaxy in the Universe. Located an estimated 13 billion light-years away, the object is being viewed at a time only 750 million years after the big bang, when the Universe was barely 5 percent of its current age.

heic0402 — Photo Release

Supernova blast bonanza in nearby galaxy

3 February 2004: The nearby dwarf galaxy NGC 1569 is a hotbed of vigorous star birth activity which blows huge bubbles and super-bubbles that riddle the main body of the galaxy. The galaxy's vigorous 'star factories' are also manufacturing brilliant blue star clusters. This galaxy had a sudden and relatively recent onset of star birth 25 million years ago, which subsided about the time the very earliest human ancestors appeared on Earth.

heic0403 — Science Release

Oxygen and carbon discovered in exoplanet atmosphere 'blow-off'

2 February 2004: The well-known extrasolar planet HD 209458b, provisionally nicknamed Osiris, has surprised astronomers again. Oxygen and carbon have been found in its atmosphere, evaporating at such an immense rate that the existence of a new class of extrasolar planets - 'the chthonian planets' or 'dead' cores of completely evaporated gas giants - has been proposed.

heic0401 — Science Release

First supernova companion star found

7 January 2004: A joint European/University of Hawaii team of astronomers has for the first time observed a stellar 'survivor' to emerge from a double star system involving an exploded supernova. Supernovae are some of the most significant sources of chemical elements in the Universe, and they are at the heart of our understanding of the evolution of galaxies.

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