ESO for the Public

Press Releases

eso1203 — Science Release

El Gordo — A “Fat” Distant Galaxy Cluster

10 January 2012: An extremely hot, massive young galaxy cluster — the largest ever seen in the distant Universe — has been studied by an international team using ESO’s Very Large Telescope (VLT) in the Atacama Desert in Chile along with NASA's Chandra X-ray Observatory and the Atacama Cosmology Telescope. The new results are being announced on 10 January 2012 at the 219th meeting of the American Astronomical Society in Austin, Texas.

eso1202 — Organisation Release

ESO Celebrates 50 Years of Reaching New Heights in Astronomy — Take part in ESO’s Anniversary in 2012

5 January 2012: The year 2012 marks the 50th anniversary of the European Southern Observatory (ESO), the foremost intergovernmental astronomy organisation in the world. The anniversary year is an opportunity to look back at ESO’s history, celebrate its scientific and technological achievements and look forward to its next ambitious programmes. ESO is planning several exciting activities during the year.

eso1201 — Photo Release

The Smoky Pink Core of the Omega Nebula

4 January 2012: A new image of the Omega Nebula, captured by ESO's Very Large Telescope (VLT), is one of the sharpest of this object ever taken from the ground. It shows the dusty, rose-coloured central parts of this famous stellar nursery and reveals extraordinary detail in the cosmic landscape of gas clouds, dust and newborn stars.

eso1153 — Photo Release

Christmas Comet Lovejoy Captured at Paranal

24 December 2011: The recently discovered Comet Lovejoy has been captured in stunning photos and time-lapse video taken from ESO’s Paranal Observatory in Chile. The comet graced the southern sky after it had unexpectedly survived a close encounter with the Sun.

eso1152 — Photo Release

A Galaxy Blooming with New Stars — VLT Survey Telescope snaps wide-field view of NGC 253

15 December 2011: The VLT Survey Telescope (VST) has captured the beauty of the nearby spiral galaxy NGC 253. The new portrait is probably the most detailed wide-field view of this object and its surroundings ever taken. It demonstrates that the VST, the newest telescope at ESO's Paranal Observatory, provides broad views of the sky while also offering impressive image sharpness.

eso1151 — Science Release

A Black Hole's Dinner is Fast Approaching — VLT spots cloud being disrupted by black hole

14 December 2011: Astronomers using ESO’s Very Large Telescope have discovered a gas cloud with several times the mass of the Earth accelerating fast towards the black hole at the centre of the Milky Way. This is the first time ever that the approach of such a doomed cloud to a supermassive black hole has been observed. The results will be published in the 5 January 2012 issue of the journal Nature.

eso1150 — Organisation Release

The E-ELT Moves Closer to Reality

9 December 2011: The governing body of the European Southern Observatory, the ESO Council, has approved ESO’s budget for 2012. This includes preparatory work on the road to the European Extremely Large Telescope (E-ELT) site at Cerro Armazones and the start of development of some very challenging optical components for the telescope. With several ESO Member States now having committed their part of the required additional funding, the final approval for the whole E-ELT programme is expected in mid-2012.

eso1149 — Organisation Release

Prince Philippe of Belgium Leads Industrial Delegation Visiting ESO Sites in Chile

8 December 2011: The heir apparent to the throne of Belgium visited ESO’s Paranal Observatory, accompanied by a business delegation exploring future opportunities for European industry within the context of ESO’s European Extremely Large Telescope project.

eso1148 — Science Release

Vampire Star Reveals its Secrets

7 December 2011: Astronomers have obtained the best images ever of a star that has lost most of its material to a vampire companion. By combining the light captured by four telescopes at ESO’s Paranal Observatory they created a virtual telescope 130 metres across with vision 50 times sharper than the NASA/ESA Hubble Space Telescope. Surprisingly, the new results show that the transfer of mass from one star to the other in this double system is gentler than expected.

eso1147 — Science Release

VLT Finds Fastest Rotating Star

5 December 2011: ESO's Very Large Telescope has picked up the fastest rotating star found so far. This massive bright young star lies in our neighbouring galaxy, the Large Magellanic Cloud, about 160 000 light-years from Earth. Astronomers think that it may have had a violent past and has been ejected from a double star system by its exploding companion.

eso1146 — Organisation Release

Spanish Crown Prince visits ESO's Paranal Observatory

24 November 2011: On 24 November 2011 ESO’s Paranal Observatory in Chile was honoured by a visit from Their Royal Highnesses the Prince and Princess of Asturias.

eso1145 — Photo Release

The Cool Clouds of Carina — APEX gives us a new view of star formation in the Carina Nebula

16 November 2011: Observations made with the APEX telescope in submillimetre-wavelength light reveal the cold dusty clouds from which stars form in the Carina Nebula. This site of violent star formation, which plays host to some of the highest-mass stars in our galaxy, is an ideal arena in which to study the interactions between these young stars and their parent molecular clouds.

eso1144 — Science Release

Lutetia: a Rare Survivor from the Birth of the Earth

11 November 2011: New observations indicate that the asteroid Lutetia is a leftover fragment of the same original material that formed the Earth, Venus and Mercury. Astronomers have combined data from ESA’s Rosetta spacecraft, ESO’s New Technology Telescope, and NASA telescopes. They found that the properties of the asteroid closely match those of a rare kind of meteorites found on Earth and thought to have formed in the inner parts of the Solar System. Lutetia must, at some point, have moved out to its current location in the main asteroid belt between Mars and Jupiter.

eso1143 — Science Release

VLT Observations of Gamma-ray Burst Reveal Surprising Ingredients of Early Galaxies

2 November 2011: An international team of astronomers has used the brief but brilliant light of a distant gamma-ray burst as a probe to study the make-up of very distant galaxies. Surprisingly the new observations, made with ESO’s Very Large Telescope, have revealed two galaxies in the young Universe that are richer in the heavier chemical elements than the Sun. The two galaxies may be in the process of merging. Such events in the early Universe will drive the formation of many new stars and may be the trigger for gamma-ray bursts.

eso1142 — Science Release

Faraway Eris is Pluto's Twin — Dwarf planet sized up accurately as it blocks light of faint star

26 October 2011: Astronomers have accurately measured the diameter of the faraway dwarf planet Eris for the first time by catching it as it passed in front of a faint star. This event was seen at the end of 2010 by telescopes in Chile, including the Belgian TRAPPIST telescope at ESO’s La Silla Observatory. The observations show that Eris is an almost perfect twin of Pluto in size. Eris appears to have a very reflective surface, suggesting that it is uniformly covered in a thin layer of ice, probably a frozen atmosphere. The results will be published in the 27 October 2011 issue of the journal Nature.

eso1141 — Photo Release

VISTA Finds New Globular Star Clusters — and sees right through the heart of the Milky Way

19 October 2011: Two newly discovered globular clusters have been added to the total of just 158 known globular clusters in our Milky Way. They were found in new images from ESO’s VISTA survey telescope as part of the Via Lactea (VVV) survey. This survey has also turned up the first star cluster that is far beyond the centre of the Milky Way and whose light has had to travel right through the dust and gas in the heart of our galaxy to get to us.

eso1140 — Organisation Release

Full-size Mock-up of World’s Largest Telescope Mirror Built at ESO’s Open House Day

17 October 2011: On Saturday 15 October, the European Southern Observatory (ESO) opened the doors of its headquarters in Garching bei München, Bavaria, Germany, to the public. Throughout the day, thousands of visitors had the chance to help build a full-size mock-up mirror of the largest planned telescope in the world — the European Extremely Large Telescope (E-ELT) — and to experience many other aspects of ESO’s work.

eso1139 — Organisation Release

ESO and Chile sign agreement on E-ELT

13 October 2011: At a ceremony today in Santiago, Chile the Chilean Minister of Foreign Affairs, Alfredo Moreno and ESO’s Director General, Tim de Zeeuw, signed an agreement regarding the European Extremely Large Telescope. This agreement between ESO and the Chilean government includes the donation of land for the telescope, as well as a long-term concession to establish a protected area around it, and support from the Chilean government for the establishment of the E-ELT.

eso1138 — Science Release

Distant Galaxies Reveal The Clearing of the Cosmic Fog — New VLT observations chart timeline of reionisation

12 October 2011: Scientists have used ESO’s Very Large Telescope to probe the early Universe at several different times as it was becoming transparent to ultraviolet light. This brief but dramatic phase in cosmic history — known as reionisation — occurred around 13 billion years ago. By carefully studying some of the most distant galaxies ever detected, the team has been able to establish a timeline for reionisation for the first time. They have also demonstrated that this phase must have happened quicker than astronomers previously thought.

eso1137 — Organisation Release

ALMA Opens Its Eyes — The most powerful millimetre/submillimetre-wavelength telescope in the world opens for business and reveals its first image

3 October 2011: Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers. The first released image, from a telescope still under construction, reveals a view of the Universe that cannot be seen at all by visible-light and infrared telescopes. Thousands of scientists from around the world have competed to be among the first few researchers to explore some of the darkest, coldest, furthest, and most hidden secrets of the cosmos with this new astronomical tool.

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ESO — Reaching New Heights in Astronomy