Coordinate Systems used for spacecraft trajectory description: . ... The HGI coordinates are Sun centered and inertially fixed with respect to an X-axis directed along the intersection line of the ecliptic and solar equatorial planes. ... Cometocentric (solar) Ecliptic Coordinate System (CSE) . ... CSE coordinate system for the SC POSITION: axis origin at comet center, X-axis to the SUN, Z-axis to ecliptic north pole, (X,Y)-plane is parallel to the ecliptic plane. ...

JSC History . JSC Oral History . NASA History . ... Apollo 8: Earth's Rise to a New Era . The audio documentary, Apollo 8: Earth's Rise to a New Era , features excerpts of oral histories combined with a narration to present a unique perspective on a venture that resulted in humankind's first voyage to another celestial body. ... Narrated by Clay Morgan, Apollo 8: Earth's Rise to a New Era was recorded in December 1998 in celebration of the 30th anniversary of Apollo 8. ... Apollo . ...

... Astrophysics Group . General Interest . ... MRAO Telescopes . ... Galaxies and Quasars . ... Radio astronomy is the study of celestial objects by means of the natural radio waves they emit. ... In 1957, through the generosity of Mullard Ltd. and with support from the Science Research Council, the Mullard Radio Astronomy Observatory (MRAO) was built 5 miles south-west of Cambridge, at Lord?s Bridge. ... 2013, Astrophysics Group, Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE . ...

HST Call for Proposals and HST Primer for Cycle 24 . ... Hubble Space Telescope Call for Proposals for Cycle 24 > Chapter 8: Filling Out the APT Proposal Form > 8.15 Targets . ... Your proposal can include observations of fixed targets (i.e., all targets outside the solar system whose positions can be defined by specific celestial coordinates), generic targets (i.e., targets defined by certain general properties, rather than by specific coordinates), and solar-system targets (i.e., moving targets). ...

Next: Extragalactic Gravitational Wave Background Previous: Transparency of the Stochastic . Let the sky be observed with a detector having a pencil beam diagram across. The number of stars per frequency decade that is swept by the detector is a function of celestial coordinates (say, galactic coordinates l , b ): . ... It is clear from the figure that for an all-sky detector the Galaxy becomes transparent above the frequency  Hz. ...

... Samara State Aerospace University Staff Yudintsev Vadim Vyacheslavovich . ... Aslanov , Yudintsev Dynamics, Analytical Solutions and Choice of Parameters for Towed Space Debris with Flexible Appendages // Advances in Space Research. ... Aslanov V.S. , Yudintsev V.V. The motion of tethered tug-debris system with fuel residuals // Advances in Space Research. ... Aslanov V.S. , Yudintsev V.V. Dynamics of Large Debris Connected to Space Tug by a Tether // Journal of Guidance, Control, and Dynamics. ...

... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...

Astronomes Amateurs du Luxembourg a.s.b.l. " We bring the Universe to you ! Founded in 1971 by a group of enthusiasts and star aficionados, our association is now counting more than 130 members.As a national association we attract hobby astronomers from the whole country to our regular night-sky observations and to the meetings in our club at Dudelange. ... by topic : PDF File Download (360KB) . ... Article about AAL in "Le Quotidien" newspaper of Juli 21 2005 - PDF File Download (132KB) . ...

This images in this directory are very wide field color images of the northern night sky at Moore Observatory. They were recorded in February 2012 and in October 2011 to capture Ursa Major and the celestial pole as it would be seen on a dark night. The image nightsky_20120229.jpg shows Ursa Major (locate the pointers at the end of the bowl of the "dipper") and Ursa Minor with Polaris. ... Polaris is a double star, and is slightly variable. ...

h1 Scientific Programme /h1 p The International Gamma-Ray Astrophysics Laboratory INTEGRAL launched on 17 October 2002 is ESA's gamma-ray mission (in collaboration with Russia and NASA) of the long term space-science programme `Horizon 2000'. /p p INTEGRAL is dedicated to the fine spectroscopy (2 keV FWHM @ 1.3 MeV ) and fine imaging (12' FWHM , arcminute source location) of celestial gamma-ray ...

Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. November 11, 1997 . The Annotated Galactic Center . ... Constellations of nearby stars include Sagittarius , Libra , Scorpius , Scutum , and Ophiuchus . ... Open clusters include M6 , M7 , M18 , M21 , M23 , M24 , M25 . Globular clusters include M9 , M22 , M28 , M54 , M69 , M70 . ... About APOD > . ... NASA Technical Rep.: ...

... Code of participant Assess the color of the stars and mark accordingly it with a "X": White UMi And Ari Cyg Tau Answer: Blue Yellow Red 10. ... Specify direction to the points of intersection of the ecliptic and the equator. ... Observations with telescope 12. Point your telescope to the M45. ... Classify the object as one of the following: open cluster (OC), a globular cluster (GC), an emission nebula (EN) and planetary nebula (PN). ... Estimate the distance between the stars in arc minutes. ...

History of Astronomy . Please report any broken links or additions to: webmaster@wro.org . Digital Archive of Historical Astronomy Pictures . ... History of Astronomy and Space Science . Japanese Starlore and Astronomical History . Mayan Astronomy . Native American Star Knowledge . Out of This World Exhibition - exhibition of rare historical celestial atlases. ... Women Astronomers at the USNO: The Early Years ...

... Representing Coordinate Systems (Frames) While Mappings represent the relationships between coordinate systems, the coordinate systems themselves are represented by objects called Frames. ... A Plot's base Frame corresponds with the native coordinates of the underlying graphics system. Plotting operations are specified, using AST Plot methods, in physical coordinates which correspond with the Plot's current Frame (typically this might be a celestial coordinate system). ...

... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...

... Space flight . ... Simulators . ... Space camp . Space Hotel . ... Virtual reality-based stand for ISS crew training is used for cosmonauts pre-training preparation at different stages of training for the space flight. ... At present cosmonauts and astronauts can work both with the SM and FGB images independently and having them in mated state. ... Info: Industry news On-line Data Company ATLAS news Events We in press Contact . Copyright 2000-2016 ATLAS Aerospace . ...

... t1 ­ ; t2 ­ ; t3 rsnd (t1 ) ­ t1 (snd ­ sender ­ ); 6 ­ (sc ­ spacecraft ­ ); rrcv (t3 ) ­ (rcv ­ receiver ­ ). rsc (t2 ) (2), : 1 t1 = rsc (t2 ) - rsnd (t1 ) + D1 , c 1 t2 = rsc (t2 ) - rrcv (t3 ) + D2 , c (3) t2 = t1 + t1, t3 = t2 + t2 = t1 + t1 + t2 , D1 = D2 = 2S rsc (t2 ) + rsnd (t1 ) + rsc (t2 ) - rsnd (t1 ) ln , rsc (t2 ) + rsnd (t1 ) - rsc (t2 ) - rsnd (t1 ) c2 2S rsc (t2 ) + rrcv (t3 ) + rsc (t2 ) - rrcv (t3 ) ln . ... rrcv ( t3 ) rsnd ( t1 ) , , IAU2000 [7]. , , , [8]. 3. 3.1. . ...

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997