Computer, Internet, Science, Engineering and Technology Information
Heraklion, Crete: An earthquake has just shaken the Greek island. Damage is widespread and all conventional, terrestrial communications have been destroyed. The rescue operations have only one means at their disposal that has not been affected by the quake - a satellite which, from its altitude of 36 000 kilometres, can immediately link the locations involved in the catastrophe with the appropriate authorities.
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These images taken by the High-Resolution Stereo Camera (HRSC), onboard ESA’s Mars Express imaged the Noctis Labyrinthus region, the ‘labyrinth of the night’ on Mars.
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Right in time for the festive season, ESA’s XMM-Newton X-ray observatory has discovered a huge cloud of high-temperature gas resting in a spectacular nearby star-forming region, shaped somewhat like the silhouette of Santa Claus.
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A new global Earth observation system, that could save lives in disasters such as the recent cyclone in southern Bangladash, is being reviewed at a ministerial-level summit in Cape Town this week.
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ESA PR 34-2007. ESA and Inmarsat Global Ltd announce on Friday 23 November in Paris the formal signature of the contract for Alphasat satellite, one of the world’s largest telecommunications satellites.
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True colour images of Earth as seen by Rosetta’s OSIRIS camera are now available. The pictures were taken on 13 November during the swing-by, and on 15 November, as Rosetta left on its way to the outer Solar System, after the swing-by.
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As Rosetta closed in on Earth, swung by and then left on its course again, several instruments on the spacecraft were busy taking snaps. As it swung away, the OSIRIS camera also caught glimpses of the Moon.
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This striking composite of Earth by night shows the illuminated crescent over Antarctica and cities of the northern hemisphere. The images were acquired with the OSIRIS Wide Angle Camera (WAC) during Rosetta’s second Earth swing-by on 13 November.
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ESA’s Rosetta has returned extraordinary images captured 13 November 2007 as the comet-chasing spacecraft completed a critical Earth swing-by at 45 000 kilometres per hour.
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This animated sequence shows Rosetta’s orbit (green) from 1 July 2007 through 31 March 2008, in a top view of the inner Solar System. The second Earth swing-by on 13 November is shown from Rosetta’s perspective in the middle of the sequence, for a period of 10 hours around closest approach, which was 21:57 CET 13 November.
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Images taken right after Rosetta’s second Earth swing-by last night are now available. The comet chaser’s navigation camera (NAVCAM) took pictures of regions in the Antarctic and snapshots of Earth and the Moon.
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An important milestone has just been accomplished as Rosetta successfully swung by Earth at 21:57 CET. The spacecraft will now be catapulted towards the outer Solar System with its newly-gained energy before coming back to Earth for another boost.
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Rosetta, on its way to the upcoming Earth swing-by, was seen last night from the Starkenburg observatory in Heppenheim, Germany.
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Space Shuttle Discovery landed in Cape Canaveral, Florida this evening at 19:01 CET (18:01 UT), completing one of the most complex assembly missions to the International Space Station to date, bringing back seven crew members, including ESA astronaut Paolo Nespoli.
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Early tomorrow morning there is a rare opportunity to see the Space Station flying in formation with Space Shuttle Discovery, homeward bound and due to land in Florida tomorrow evening.
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After saying their farewells to the ISS crew yesterday evening, the STS-120 crew is preparing to undock from the International Space Station at 11:32 CET (10:32 UT) this morning. Space Shuttle Discovery is scheduled to touchdown in Florida at 19:02 CET (18:02 UT) on Wednesday.
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The Leonid meteor shower graces the night sky.
Additional resources (external links):
StarDate Online Sky Almanac (University of Texas McDonald Observatory)
Sky Maps and Notes (BBC: Science & Nature)
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Astronauts on board the International Space Station are preparing for a spacewalk to repair one of the Station’s solar arrays. The fourth spacewalk of the STS-120 mission is scheduled to take place on Saturday.
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