News archive

News archive

SOHO confirms 36 year old solar theory

Data from the VIRGO instrument on SOHO have been used to show that solar flares drive global oscillations in the Sun. This confirms a prediction made more than 30 years ago.
Published: 17 April 2008
X-ray Echoes of a Past Outburst of Sgr A*
Based on a study of archival data from four X-ray observatories, including XMM-Newton, a team of Japanese astronomers confirm the black hole at the Galactic centre, Sgr A*, to have experienced an outburst some 300 years ago
Published: 15 April 2008
Cassini mission extended to 2010
NASA has extended the Cassini operations phase for the NASA/ESA/ASI Cassini-Huygens mission for two more years. The mission, originally scheduled to end in July 2008, will continue studying Saturn, its environment and moons until 2010.
Published: 15 April 2008
X-ray observations of BAL Quasars with polar outflows
XMM-Newton observations of broad absorption line quasars (BALQSOs) that are seen face-on reveal these to be different from BALQSOs that are seen at different orientations in that the former are not deficient in soft X-ray emission
Published: 9 April 2008
Black hole found in omega Centauri [heic0809]
Data from Hubble and the groundbased Gemini observatory provide evidence for the existence of an intermediate-mass black hole in the globular cluster omega Centauri supporting a possible reclassification of the cluster as a dwarf galaxy
Published: 2 April 2008
Exploding star in NGC 2397 [heic0808]
Hubble's resolving power has aided in a ten-year search for and study of supernova precursors which was set up to determine which types of stars - in what range of stellar masses - end their lives as a supernova
Published: 31 March 2008
Europa - Jupiter International Science Workshop
Frascati (Rome), ItalyApril 21-22, 2008
Published: 28 March 2008
Composition and Origin of Enceladus' Plume
During Cassini's close flyby of Enceladus on 12 March, the spacecraft flew through the moon's plume that originates from jets in Enceladus' south polar region. Both the plume and the south polar surface were studied during this very close approach of Saturn's sixth largest moon.
Published: 27 March 2008
Evidence for a Subsurface Ocean on Titan
Based on Cassini radar observations of Titan's surface the moon's spin rate is now confirmed to be both non-synchronous and changing, providing evidence for the existence of a subsurface ocean
Published: 25 March 2008
Titan Flyby - 25 March 2008
Today, Tuesday 25 March, Cassini returns to Titan for the mission's forty-third targeted encounter: Titan-42. The closest approach occurs at 14:27:48 UT, at an altitude of 1000 kilometres above the surface and at a speed of 6.3 kilometres per second. The latitude at closest approach is 27° S and the encounter occurs on orbit number 62.
Published: 25 March 2008
Characterisation of SNR 0509-67.5
Two different methods based on optical and X-ray observations have resulted in a consistent identification of the subtype and age of the supernova responsible for the supernova remnant SNR 0509-67.5 in the Large Magellanic Cloud
Published: 20 March 2008
JWST Sunshield Preliminary Design Review Complete
The tennis court-sized sunshield built by Northrop Grumman for the James Webb Space Telescope has completed its preliminary design review (PDR) at the company's Space Technology facility.
Published: 20 March 2008
Hubble finds first organic molecule on extrasolar planet [heic0807]
A team of astronomers led by Mark Swain have found the first-ever evidence for an organic molecule in the atmosphere of an exoplanet based on infrared spectroscopy with Hubble's NICMOS instrument
Published: 19 March 2008
X-ray observations of Postoutburst Nova V5116 Sagittarii
In a recent article in Astrophysical Journal Letters Sala et al. shed light on the nature of the postoutburst nova V5116 Sagittarii with new XMM-Newton observations of the white dwarf star's soft X-ray emission
Published: 14 March 2008
Enceladus Flyby - 12 March 2008
On 12 March Cassini performs its closest flyby ever of any Saturnian moon as it passes Enceladus at a mere 52 km. The trajectory takes Cassini through the edge of the icy moon's unique plume allowing in-situ observations
Published: 12 March 2008
Marco Polo Workshop
5 & 6 June 2008Salle Miramar, La Croisette, Cannes, FranceCroisette Beach Hotel13, rue du Canada, 06400 Cannes, France
Published: 11 March 2008
INTEGRAL Announcement of Opportunity for AO-6 Cycle Observation Proposals and for Obtaining Data Rights to Targets within Previously Approved Key Programmes
The 6th Announcement of Opportunity for observations with the INTEGRAL gamma-ray observatory solicits for submission of proposals before 18 April 2008
Published: 10 March 2008
Solitons found in the magnetopause
[07.03.2008]
In-situ observations by the multiple Cluster spacecraft, together with numerical simulations, form the first ever confirmation of the occurence of solitary waves in Earth's magnetopause and explain the spontaneous generation of these waves
Published: 7 March 2008
Ulysses mission coming to a natural end
Ulysses, the mission to study the Sun's poles and the influence of our star on surrounding space is coming to an end. After more than 17 years in space - almost four times its expected lifetime - the mission is finally succumbing to its harsh environment.
Published: 22 February 2008
Amazing Miniaturized 'SIDECAR' Drives Webb Telescope's Signal
Many technologies have become so advanced that they've been miniaturized to take up less space and weigh less. That's what happened to detector controls and data conversion electronics on the James Webb Space Telescope being built by Northrop Grumman.
Published: 20 February 2008
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