... Readily produced in nuclear reactions and particle collisions, they can easily pass completely through planet Earth without once interacting with any other particle. ... Recent photographs by the spacecraft Mars Global Surveyor, currently in orbit around Mars, show features unusual for Mars yet similar to a dried pond on Earth. ... The quake was the first ever recorded on the Sun, but only because astronomers have only recently figured out when and how to find them using the orbiting SOHO spacecraft...

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... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 December 29 . The Helix Nebula from Blanco and Hubble . ... ESA , NASA . Explanation: How did a star create the Helix nebula ? ... Recent observations by the orbiting Hubble Space Telescope and the 4-meter Blanco Telescope in Chile , however, have shown the Helix is not really a simple helix . ... About APOD | ...

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• APOD: 2008 December 27 - Crab Pulsar Wind Nebula
• APOD: 2001 December 14 - NGC 7023: The Iris Nebula
• APOD: 2006 December 16 - A Path To Orion

The Wind spacecraft. ... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... For additional details and updates, see the home page of the "Wind" mission. Exploration" home page (index) Glossary . ...

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• Lunar Orbiter 2
• Galileo to Jupiter
• Galileo Mission Status - December 10, 1995

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... Astronomy for Kids . ... Imaging Basics . ... Mars orbiter images rover and tracks in Gale Crater . ... NASA's Curiosity Mars rover and its recent tracks from driving in Gale Crater appear in an image taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter on December 11, 2013. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• Orion flight test reset for December 5 | Astronomy.com
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... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... News . ... S.P. Korolev RSC Energia is the prime manned space flight organization in the Russian rocket and space industry, responsible for the development of the ISS Russian Segment, its integration into the Space Station and its operation, including development and operation of its principal modules (Zvezda, Pirs, Poisk, Rassvet, etc.), manufacturing, launch and operation of Soyuz TMA and Progress M spacecraft. ...

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• OFFICIAL PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA
• INTERNATIONAL SPACE STATION

... SSAU History . SSAU roadmap . ... Equipment testing began on January 4. ... The magnetometer Shtil-M No. 2 is equipped with six sensors that measure the magnetic field in different compartments of the device, fix electrical discharges and the impact of the space environment on the equipment functionality. ... The magnetometer Shtil-M No. 2 is the third unit of the series, which was created in SSAU Institute of Space Device Engineering led by Professor Nicholay Syomkin. ... e-mail: ssau@ssau.ru . ...

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... HST . NICMOS Focus: Design vs. On-Orbit Performance . ... HST Overview . ... Cycle 24 Announcement . ... The NICMOS cameras were designed to share a common focus, the position of which can be adjusted using the Pupil Alignment Mechanism, or PAM. ... The mechanical stresses in the dewar continue to vary and the ongoing deformation processes in NICMOS kept changing the location of the detectors with respect to the PAM zero position, i.e., the focus of the cameras was changing with time. ...

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• Further Information
• MIRCAT
• L2 Orbit

. English / Русский . H ome page . K ey dates . R egistration . P articipants and presentations . P rogram . C ommittees . V enue . F ee and accomodation . P oster . G allery . P roceedings . Contacts . katya@sao.ru . ts@sao.ru . Organizers . Special Astrophysical Observatory of RAS . Baksan Neutrino Observatory of INR RAS . It is planned to publish Proceedings of the Workshop. The template can be downloaded from here . Send your contribution to ts@sao.ru before December 15, 2015. Design ts@sao.ru

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• Detection of unique bright radio flare of X-ray binary

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Telescopes and Observatories . ... The majestic star-forming region in the Lagoon Nebula. The pale ring to the right is an internal reflection in the telescope.€а (Image credit: ESO/ VPHAS+/ V. Kalari and J. Vink (Armagh Observatory) . ... The 18 component images were further processed twice. ... Venu and his colleagues use images like this to identify individual young forming stars in the Lagoon Nebula and determine their ages. ...

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A Brief History of the Discovery of Cosmic Gamma-Ray Bursts - draft april 17, 1995 - J.Bonnell In October of 1963 the US Air Force launched the first in a series of satellites inspired by a recently signed nuclear test ban treaty. ... The event appeared to be a cosmic gamma-ray burst but at the time the constellation of satellites did not have sufficient timing resolution at the trigger to make a good determination of direction to the burst source. ...

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... 2000 December 15 . IC443's Neutron Star . ... Explanation: Using x-ray data from the orbiting Chandra Observatory along with radio data from the Very Large Array , a team of researchers has discovered evidence for a new example of one of the most bizarre objects known to modern astrophysics -- a neutron star . ... The core collapsed when the star, located a reassuring 5,000 light-years away in the constellation Gemini , exploded long ago. How long ago? ... About APOD | ... NASA Technical Rep.: ...

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• Lunar Orbiter 2
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... We have designed a survey using 560 hours of Canada-France-Hawaii Telescope (CFHT) time over four years to provide hundreds of new trans-Neptunian objects with exquisitely characterised, high-precision orbits. This new wide-field optical survey began observations with CFHT MegaPrime in February 2013, and by its conclusion in 2016 aims to have doubled the number of trans-Neptunian objects suitable for testing models of Solar System history. ...

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• GSAOI Latest Developments Page
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... System concept SKA1: AA-low . ... Coffee . ... AA Pathfinders: guiding SKA design . AA Science driven technical requirements . ... Science . ... Calibration and imaging . ... SKA1 Science Requirements . ... Discussion . ... Calibration and imaging requirements . ... Redundancy calibration method in phased arrays . ... System concept SKA 1 : AA-low . ... SKA1 AA-low system design considerations . ... Dense Aperture Array Antenna Design for SKA . ... Array antenna designs for the SKA-AA-low . ...

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• http://www.mrao.cam.ac.uk/projects/aavp/presentations/Gauffre_Fast_ADC_Developments.pdf
• OptInt PmWiki : Design Review Documents | History
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David P. Stern . ... Abstract . This is a systematic attempt to identify and assess near-equatorial, high-eccentricity orbits best suited for studying the Earth's magnetosphere, in particular its most dynamic part, the plasma sheet of the magnetotail. ... On the other hand, an intuitive understanding was developed of the factors which determine the merits of the mission, including long-range factors due to perturbations by the Moon, Sun and the Earth's equatorial bulge. ...

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• The Wind Spacecraft
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• INTERBALL IB_TAIL December 1996

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Although the comet itself never comes dangerously close to the Earth, the particles of dust that it has shed during its many past passages through perihelion found their way into the Earth's atmosphere, appearing as meteors in the cold December sky. ... Animation 1 . ... An Ursid meteor captured by the Armagh Observatory's NE-facing meteor camera in the early morning of 23rd December. ... Meteor Showers Online . ...

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• More photos of the 1 December events | International Year of Astronomy in
• ESO and the EELT: Tue 15 December, DCU, Dublin | International Year of
• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009

... VS01d Oct 04 Cancel (GB, NT, AR, TR) V077g Oct 13 KA replaces UD VT904 Oct 15 Removed KA V047s Oct 14 KA replaces UD VS06d Oct 24 Removed TR VS07d Oct 27 Added HO VS06m Oct 28 Removed KA, Added HO, changed time VS10v Oct 28 Cancel (KA, SH, NT) VS07v Oct 28 Added observation (KA UD SH HO HH NT) VS10v Oct 29 Removed TR, KA VS0w3 Oct 30 VS06m Oct 27 Changed times (UD, HH, HO) VS07v Oct 28 Removed HH VS04s Nov 20 Removed HH V019b Nov 25 Removed HH, Added NT . ...

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... Main . ... Software . ... The Fakerat is a software package to help planning of observations with the RadioAstron mission. This version of the software has been designed to match the technical information that appears . in the RadioAstron User's Handbook . Fakerat, version 16, Linux distribution; release on December 27, 2013: . ... fakerat file . fakerat_lib file . readme file . install file . ... package src . Software complex ASL , Windows and Linux distributions. ...

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• Description of the RadioAstron project, english version

... ESO Science Newsletter December 2015 . 17 Dec 2015 . ... This newsletter is a summary of recent ESO Science Announcement items. Follow the links or visit ESO Science Announcements to read more. ... Read more . ... The allocation of ESO telescope time for Period 97 (1 April БЂ“ 30 September 2016) is expected to be emailed in the week beginning 21 December 2015. ... ESO Workshop, ESO Headquarters, Garching, Germany, 27 June БЂ“ 1 July, 2016 . ... Joint ESO, ALMA, NAOJ, NRAO Workshop. ...

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• The Flames of Betelgeuse | ESO
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• ESO - The European ELT

. Rus . Eng . Sun images . Magnetic storms online . Sun flares . Geomagnetic activity forecast . Active areas . December : 2007 . mo . tu . we . th . fr . st . su . 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 . 9 . 10 . 11 . 12 . 13 . 14 . 15 . 16 . 17 . 18 . 19 . 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30 . 31 . No data available . 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . Tel.:+7(499)132-65-96, Fax: +7(499)132-65-97 . Design WEBMASTERA.ru .

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• Latest images of the Sun December 11, 2006
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December 1, 1999 Prof. Burton Richter, Director Emeritus, SLAC . ... Physics Colloquium . Condensed Matter Seminars . Theoretical Science Seminars . ... The lecture will summarize some of the new information in high energy physics that impacts our understanding of the basic structure of matter and evolution of the early universe. ... Professor Richter's talk will be aimed at a general science audience. 4:00pm, 100 Willamette Hall . return to top . ... 4:00pm, 318 Willamette Hall . ...

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• University of Oregon Center for High Energy Physics - Recent Experimental Talks
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• University of Oregon Center for High Energy Physics - Group Talks, Papers, and