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News archive

News archive

PR 59-1995: ISO Open Its Eyes
The cover closing the cryostat of ESA's Infrared Space Observatory (ISO) was successfully ejected at 10:27 UT on Monday 27 November during the 10th orbit of ISO's lifetime.
Published: 27 November 1995
PR 55-1995: SOHO Launch Delayed
The launch of Atlas Centaur 121 and the SOHO spacecraft was scrubbed just prior to tower rollback at approximately 03:45 UT 23 November due to a malfunction of an Atlas booster precision regulator, which will require removal, replacement and failure analysis of the probable cause. The regulator provides reference pressure to control booster engine thrust. No decision on rescheduling has been made at this time.
Published: 23 November 1995
PR 54-1995: ISO Reached Operational Orbit
The hydrazine thrusters on ESA's Infrared Space Observatory have successfully raised the perigee Of ISO's orbit from 518 km to the operational altitude of 1030 km above the Earth. Commands to he spacecraft's thrusters were sent from ESA's Control Center ESOC in Darmstadt Germany at 13: 10 UT on 19 November. The thrusters were used for a total of 111 minutes and the burn finished at 15:01 UT.
Published: 20 November 1995
PR 50-1995: ISO Successfully Launched
ISO, ESA's Infrared Space Observatory, was successfully launched by an Ariane 44P launcher from Europe's spaceport in Kourou at 01:20 UT on 17 November 1995.
Published: 17 November 1995
PR 48-1995: ISO, ESA's explorer of the Unknown
The European Space Agency's Infrared Space Observatory (ISO) has a rendezvous with the unknown on 2 November 1995. The 2.5 tonnes satellite will be launched by an Ariane 44P from Kourou, French Guiana on 11 November 1995 at 01:42 UT. Its task will be long-duration observation of celestial radiation sources in the invisible and cool light of infrared radiation, as yet largely unexplored.
Published: 3 November 1995
INFO 24-1995: SOHO hunts elusive solar prey
The Sun, our nearest star, will be studied in unprecedented detail when the European Space Agency's SOHO spacecraft is launched by NASA later this year. The name SOHO is an acronym for the SOlar and Heliospheric Observatory. SOHO was also a medieval Anglo-French hunting cry; but this time the hunt is for answers to basic questions about the sun.
Published: 31 October 1995
INFO 23-1995: ESA innovation rescues Ultraviolet Observatory
The International Ultraviolet Explorer (IUE) spacecraft, launched in January 1978, is one of the longest living and most successful spacecraft ever launched. For 18 years the IUE spacecraft was operated jointly by ESA and NASA, where spacecraft control and science operations were distributed with 16 hours science operations from the NASA IUE observatory at GSFC in Maryland and 8 hours from the ESA IUE Observatory at VILSPA near Madrid, Spain.
Published: 16 October 1995
INFO 21-1995: ISO, unique explorer of the invisible cool universe
That mission is now set to start on 8 November. Rising into the Kourou sky, launched by Ariane, will be a satellite keenly awaited by astronomers wound the world: ISO, the first real infrared space observatory, built and launched under the responsibility of ESA. its task will be long-duration observation of celestial radiation sources, studying them with unparalleled sensitivity and precision. It will view them in the invisible and cool light of infrared radiation, as yet very largely unexplored. ISO will provide an entirely fresh perspective on the universe. This should provide a major and significant boost to scientists working in many areas of astrophysics, from nearby planets to the most distant quasars, taking in star formation, the dark matter of the universe and superluminous galaxies.
Published: 7 October 1995
INFO 22-1995: Hipparcos to deliver its final results catalogue
One of the European Space Agency's most remarkable scientific missions, Hipparcos, completed a significant milestone in its triumphant progress last week, when the group of European scientists responsible for it met with ESA representatives in Paris for a comprehensive review of the project's scientific progress. Just two years after termination of satellite operations they have announced, to their joint satisfaction, that the lengthy process of compiling the largest and most accurate catalogue of star positions ever has been completed.
Published: 6 October 1995
PR 33-1995: ESA to Launch Six Scientific Satellites
The European Space Agency is preparing to launch an armada of scientific spacecraft to study the sun, our local space environment and the far reaches of the universe. These three ground-breaking missions are due for launch between November 1995 and January 1996.
Published: 5 September 1995
PR 29-1995: Ulysses reaches maximum latitude over the Sun's northern pole
ESA's Ulysses Spacecraft, the first probe ever to fly over the poles of the Sun, climbed to its maximum latitude of 80.2 degrees north of the Sun's equator on 31 July 1995, thereby passing another milestone on its historic mission to survey the Sun's environment from a unique vantage point in space.
Published: 29 August 1995
INFO 17-2005: Huygens Probe on Target
The Cassini/Huygens mission is an intentional co-operative effort planned by NASA and ESA to explore the Saturnian System. The Cassini spacecraft consists of the Cassini Orbiter (provided by NASA) and the detachable Huygens probe (provided by ESA).
Published: 31 July 1995
INFO 12-1995: European Space Science Scales New Heights
Apart from heralding the maiden flight of Ariane-5, the end of 1995 is set to be a period of considerable and intense activity for European space science. Three major projects will be launched in the autumn, placing Europe at the forefront of scientific exploration of the universe.
Published: 12 June 1995
INFO 11-1995: Ulysses sees differences in solar wind at high, low latitudes
The Uysses spacecraft, on its way to the northern pole of the Sun, has confirmed global differences in solar wind speed after completing the first phase of its high-latitude journey over the southern pole of the Sun.
Published: 6 June 1995
PR 06-1995: Hubble Space Telescope, presentation of scientific results
After last year's successful repair mission, the Hubble Space Telescope has finally become the powerful observatory it was meant to be, delivering a constant flow of amazing scientific results.
Published: 13 February 1995
INFO 04-1995: A Year of Hubble Results
After a year the refurbished Hubble Space Telescope is looking further into space with unprecedented clarity than any other instrument and things are not quite as astronomers had expected.
Published: 6 February 1995
ESA PR 47-1994: Hubble finds one of smallest stars in the Universe
This picture taken by the European Space Agency's faint object camera on-board the Hubble Space Telescope resolves, for the first time, one of the smallest stars in our Milky Way galaxy. Called G1623b the diminutive star (right of center) is ten times less massive than the Sun, and 60 000 times fainter. (If it were as far away as the Sun it would only be eight times brighter than the Full Moon).
Published: 16 December 1994
PR 33-1994: European scientists' proposals for Horizon 2000+
Following a meeting of representatives of the European scientific community and the European Space Agency, held in Rome from 29 September to 1 October, a programme to follow on from Horizon 2000, maintaining continuity, has been defined with a view to incorporation into the ESA long- term plan to be submitted to the Agency's Council meeting at ministerial level in autumn next year.
Published: 10 October 1994
PR 29-1994: Spotlight on Cluster
At the end of 1995, Cluster, an ambitious European Space Agency science project using four identical spacecraft to study the Earth's magnetosphere, will be launched from Europe's spaceport in Kourou by the first Ariane 5 launcher.
Published: 29 September 1994
PR 26-1994: Ulysses discovers the mysteries of the Sun's south pole
The pass over the Sun's south pole currently being carried out by ESA's probe Ulysses(*) has so far been a total success and has already yielded a first clutch of surprise results concerning this unexplored region.
Published: 16 September 1994
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