Astronomy Picture of the Day . A Small Double Ozone Hole in 2002 . ... Credit: SVS , TOMS , NASA Explanation: As expected, the ozone hole near Earth's South Pole is back again this year. ... Ozone is important because it shields us from damaging ultraviolet sunlight. ... The smaller size of the ozone hole this year, however, is attributed mostly to warmer than normal air in the surrounding stratosphere . ... 2003 2004 . ... Ozone Hole Reduced . A Near Record Ozone Hole in 2003 . ...

Next: Functionality Up: RGS_EXAFS Previous: RGS_EXAFS Contents . EXAFS means Extended X-ray Absorption Fine Structure. This CCF describes the detailed absorption lengths of different layers of CCDs in the vicinity of absoption edges to facilitate accurate calculation of quantum efficiencies. Away from the edges, the well-known Henke coefficients are used. There are two notable RGS instrumental absorption features by oxygen and fluorine. ... Michael Smith 2011-09-20 ...

SPECIALIZED COMPUTER SYSTEMS FOR MATHEMATICAL MODELING OF DISCRETE POINT STRUCTURES READOUT PROCESS Aleksandr Reznik, Andrey Torgov, Aleksandr Soloviev Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences The paper describes the specialized software systems that have been used to solve difficult mathematical problems in digital images processing. ... Systems for the first computers based on FORTRAN. ... Systems based on Matlab special environment. ...

. Flamsteed House, built in 1675, the original and most important structure of the Royal Observatory Greenwich, which contains the octagon room made for astronomical observations, Greenwich, August 9, 2013.

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May 2013 Update on APO Imager Proposal J. Huehnerhoff, W. Ketzeback (APO) In March 2013, a proposal for an imager on the APO 3.5m telescope was presented to the users committee. ... From this feedback it was determined that the most important properties of this imager should include good throughput, good spatial resolution, fast readout, and capability to use narrow band filters (both existing and new). ... The CCD allows many binning modes but 2x2 or 3x3 is expected to be used in normal operation. ...

... Sun . ... Our Galaxy . ... Stars . ... Artist's impression of the red dwarf star CHRX 73 A and its companion object CHRX 73 B. The companion object is around 12 Jupiter masses, and may either be a planet or a brown dwarf. ... In Astronomy-speak, red dwarfs are low-mass stars; our own Sun is 2.5 times as heavy as even the biggest red dwarf. ... In our galaxy, the Milky Way, red dwarfs are the most common type of star . ... Tweets that mention Red dwarfs: The most important stars in the Universe | ...

... IC443 is thought to have been formed between 30,000 and 35,000 years ago, and most likely is the remains of the pulsar, G189.6+3.3. Located about 5,000 light years away, the pulsar’s X-ray emissions excite the material of the nebula, causing the chemical components to emit light in their characteristic wavelengths. ... TAK FSQ . ... FSQ: 12x30 minute subs plus 14x5 minute subs, totaling 7 hours, 20 minutes . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

21.10 news 887 MH 19/10/04 2:15 pm Page 887 news Russians fear privatization of state labs Bryon MacWilliams, Moscow Senior officials in Moscow are attempting to reassure Russian scientists about details of a planned reform, under which many hundreds of the country's state research institutes could lose their government funding. ... We agree that Russian science does need reform," says Boris Stern, a particle physicist at the academy's Institute for Nuclear Research in Moscow. ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

... Structure of Data . ... Catalog . ... Catalog: 206 clusters 32 clusters: known before 12 clusters: parameters from BVRI photometry @ SAO 1-m 0 clusters: parameters from UBVRI photometry @ Maidanak 1.5-m 26 clusters: parameters from 2MASS 168 clusters: new (2MASS) 142 clusters: parameters from 2MASS 26 clusters: embedded 0 clusters: parameters from BVRI photometry @ SAO 1-m 3 clusters: parameters from UBVI photometry @ ARIES 1.04-m 0 clusters: parameters from UBVRI photometry @ Maidanak 1.5-m . ...

... Jay Apt (Ph.D.) . NASA Astronaut (Former) . ... PUBLICATIONS: Dr. Apt shared his images and knowledge in the publication Earth in Orbit : NASA Astronauts Photograph the Earth , written in conjunction with NASA scientists Michael Helfert and Justin Wilkinson and published by the National Geographic Society. ... From 1976 to 1980 he was a staff member of the Center for Earth & Planetary Physics, Harvard University, supporting NASA s Pioneer Venus Mission by making temperature maps of Venus from Mt. ...

... In planets astronomy: . the relativist theory of the planets movement was found. ... the planets system of other stars were opened. ... In galaxy and out of galaxy astronomy: . It's found out the general constrution of the Galaxy and its main observed solids; . ... the methods of measuring the distances to the most remote objects in the Universe are found out; . ... it is found out that the galaxy accumulations are not haotic, but form the largescale celling structure of the Universe. ...

... Space flight . ... Space Hotel . ... The program of deployment of small orbital station (SOS) consisting of a family of spacecrafts and module-spacecrafts represents a consecutive realization of flight scenarios with consecutive building up of functions. ... Scenario 1 - the regular and revised spacecrafts of class "Soyuz" - TMSC and MNMSC (MNMSC-cargo, MNMSC-MR) are used, pls. see fig fig.8 . ... The terms of transition to this scenario are determined by terms of readiness of one or another module....

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil DтАЩ†йtranges structures rocheuses sur Mars . ... Pour en savoir plus sur les explorations men†йes par Opportunity, †йcoutez le podcast Opportunity, †зa roule sur Mars , avec Fran†зois Forget, surle site cieletespaceradio.fr . ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Siberian Solar Radio Telescope . ...

... Center for International Education . ... Botanical Garden . ... The University Botanical Garden is a research and conservation institution. ... The Botanical Garden provides access to its research facilities for students of universities, vocational schools, lyceums, schoolchildren and organizes advanced training courses. ... The Botanical Garden is also a member of Botanic Gardens Conservation International and has established cooperation with 230 biological institutions in 40 countries of the world...

Domes Forum Message . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Domes and Observatories Discussion | ... Two Story Dome Structure In Progress . ... I am in the middle of planning a two story building with a metal dome on top to get better horizon to horizon viewing. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Dmitry Stepanovich (VIDEO of March 2011) . Olga Silchenko, a soloist of the Early Music Theatre . ... Anna and Olga Silchenko have presented the duets by Rubinstein and Chaikovsky (VIDEO) . ... Two Russian romances - duets by Olga Silchenko and Dmitry Stepanovich (VIDEO) . ... N. Rimsky-Korsakov "The Tsar's Bride", the duet of Lubasha and Gryaznoy - by Olga Silchenko and Dmitry Stepanovich (VIDEO) . ... Vivaldi "Magnificat", 6th part, duet by Anna and Olga Silchenko (VIDEO) . ... Olga Silchenko . ...

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...