Press Releases 2003

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Also see our press releases on eso.org, iau.org, astronomy2009.org.
heic0313 — Science Release

Record-breaking ancient galaxy clusters

31 December 2003: Studies of two distant galaxy clusters using a combination of the largest radio, optical and x-ray telescopes on the ground and in space have independently found that galaxies formed relatively early in the history of the Universe. The two galaxy clusters studied are respectively the most distant proto-cluster ever found and the most massive known galaxy cluster for its epoch.
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heic0312 — Science Release

Mega starbirth cluster is biggest, brightest and hottest ever seen

30 October 2003: A mysterious arc of light found behind a distant cluster of galaxies has turned out to be the biggest, brightest and hottest star-forming region ever seen in space.
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heic0311 — Photo Release

Waiting for a supernova

24 September 2003: A team of European astronomers is using the NASA/ESA Hubble Space Telescope to look back in time. They have imaged the spiral galaxy NGC 3982 and hundreds of other galaxies in the hope that one of the millions of stars in these images will some day explode as a supernova. They can then look back and pinpoint the exact star that has exploded. Only two such supernova 'mother stars' have ever been identified.
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heic0310 — Science Release

Hubble assists Rosetta comet mission

5 September 2003: Results from the NASA/ESA Hubble Space Telescope played a major role in preparing ESA's ambitious Rosetta mission for its new target, comet 67P/Churyumov-Gerasimenko. Hubble has been the critical tool in measuring precisely the size, shape and rotational period of the comet. Information that is essential if Rosetta is to rendezvous with a comet and then drop down a probe, something never before attempted and yet a major step to elucidating solar system origins.
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heic0309 — Science Release

Hubble tracks down a galaxy cluster's dark matter

17 July 2003: Using the powerful trick of gravitational lensing, a European and American team of astronomers have constructed an extensive 'mass map' of one of the most massive structures in our Universe. They believe that it will lead to a better understanding of how such systems assembled and the key role of dark matter.
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heic0308 — Photo Release

The mysterious 'Garden-sprinkler' nebula

22 May 2003: There are many mysterious objects seen in the night sky which are not really well understood.
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heic0307 — Photo Release

Eye-catching celestial helix

9 May 2003: In one of the largest and most detailed celestial images ever, astronomers today unveil the coil-shaped Helix Nebula to celebrate Astronomy Day.
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heic0306 — Science Release

Finding the ashes of the first stars

30 April 2003: Recent observations with the Hubble Space Telescope suggest that the first stars formed as little as 200 million years after the Big Bang. This is much earlier than previously thought. Astronomers have observed large amounts of iron in the ultraluminous light from very distant, ancient quasars. This iron is the 'ashes' left from supernova explosions in the very first generation of stars.
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heic0305 — Photo Release

A perfect storm of turbulent gases

24 April 2003: Like the fury of a raging sea, this anniversary image from the NASA/ESA Hubble Space Telescope shows a bubbly ocean of glowing hydrogen, oxygen, and sulphur gas in the extremely massive and luminous molecular nebula Messier 17.
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heic0304 — Science Release

Hubble watches light echo from mysterious erupting star

26 March 2003: In January 2002, a moderately dim star in the constellation Monoceros, the Unicorn, suddenly became 600 000 times more luminous than our Sun. This made it temporarily the brightest star in our Milky Way. The light from this eruption created a unique phenomenon known as a 'light echo' when it reflected off dust shells around the star.
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heic0303 — Science Release

European astronomers observe first evaporating planet

12 March 2003: Using the Hubble Space Telescope, for the first time, astronomers have observed the atmosphere of an extrasolar planet evaporating off into space. Much of this planet may eventually disappear, leaving only a dense core. The planet is a type of extrasolar planet known as a 'hot Jupiter'. These giant, gaseous planets orbit their stars very closely, drawn to them like moths to a flame.
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heic0302 — Photo Release

Hubble resolves a blaze of stars in galaxy's core

6 March 2003: The central region of the small galaxy NGC 1705 blazes with the light of thousands of young and old stars. Astronomers call NGC 1705 a dwarf irregular, that is, a small galaxy lacking regular structure. Knowing how dwarf irregular galaxies evolve tells us a lot about galaxy formation and evolution.
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heic0301 — Photo Release

The Boomerang Nebula - the coolest place in the Universe?

20 February 2003: The Boomerang Nebula is a young planetary nebula and the coldest object found in the Universe so far. The NASA/ESA Hubble Space Telescope image illustrates how Hubble's keen vision reveals surprises in celestial objects.
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