... Mass . ... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter...

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... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... Preliminary analysis of early data returned by NASA's historic Galileo probe mission into Jupiter's atmosphere has provided a series of startling discoveries for project scientists. ... These initial findings are encouraging scientists to rethink their theories of Jupiter's formation and the nature of planetary evolution processes, according to probe project scientist Dr. Richard Young of NASA's Ames Research Center, Mountain View, CA. ... GIF, 29K ) . ... Structure of Jupiter's Atmosphere . ...

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• A collection of images

... Yogi appears to be leaning into the prevailing winds causing some to suggest that its color contrast may be caused by the accumulation of rust colored dust on its windward face. ... Mira A is a red giant star undergoing dramatic pulsations, causing it to become more than 100 times brighter over the course of a year. ... These ice chips were shed from Comet Swift-Tuttle. ... Dubbed NGC 6589 and NGC 6590, the colors of this nebulosity, are caused by gas and dust. ... The Hydra Cluster of Galaxies . ...

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... Run Specview In Applet Mode . ... Press Releases . ... Release Notes . ... You don't have to install Specview in your computer to have a taste of it, you can just run it in your Web browser as a Java applet. ... Clicking on the "Demonstration" link below will download the applet version of Specview. ... To run an "empty" (no pre-loaded data) version of the Specview applet, use the "Run" link instead. ... The applet requires that your Web browser be equipped with version 1.6 of the Java Plug-in. ...

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• Python: module metric_calplan
• Photometric Anomalies
• What is the offset in the U2 direction that can be taken before a gap appears?

... 2010 November 29 . Dark Belt Reappearing on Jupiter . Credit: NASA's JPL , U. Oxford , UC Berkeley , Gemini Obs. ... Explanation: Why are planet-circling clouds disappearing and reappearing on Jupiter? ... Earlier this year, unexpectedly, Jupiter's dark Southern Equatorial Belt (SEB) disappeared. ... Detailed professional observations revealed that high-flying light-colored ammonia -based clouds formed over the planet-circling dark belt. ... About APOD | ... A service of: ASD at NASA / GSFC . ...

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• APOD: 2014 January 29 - Jelly Donut Shaped Rock Appears on Mars
• APOD: August 14, 1997 - Mars Rocks, Sojourner Rolls
• APOD: October 30, 1999 - Mars Rocks, Sojourner Rolls

... Engineering experiments aimed at testing and developing engineering solutions for a future interplanetary vehicle were a prominent activity during missions of Salyut and Mir space stations. ... In October 1998, cosmonauts placed on the outside surface of Mir space station some samples of film-type solar array, which constitutes a key element of the Martian vehicle, in order to study how they are affected by actual space environments. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• RSC "Energia" - History
• S.P.Korolev RSC Energia - LAUNCHERS
• S.P. Korolev RSC Energia - International Space Station

The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

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Some time in dec01 a large ripple appeared in the gregorian dome 430 Mhz data. ... While debugging the problem, it was discovered that turning on the gregorian dome motors caused the ripple to appear. ... The figures show the birdie and the ripple. ... Turning the motors on may have caused some vibrations (although you didn't have to move the dome for the modulation to appear) or the motors turning on could have caused the voltage to sag a bit causing the tone to switch to a modulated wave form. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/MeriwethertagT2085tp.ps
• http://www.naic.edu/~astro/frontiers/ao_seti.pdf
• http://www.naic.edu/~phil/mbeam/problems/birdiePix0b_mar05.html

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Noctilucent clouds as photographed by Mark Bailey from Lisdoart on 14th July 2006 at 11.30 pm. ... These so-called noctilucent (night glowing) clouds (NLCs), are formed by sunlight reflecting off ice crystals high in the atmosphere, and usually appear in the northwest, through north to northeast during twilight in the late spring and summer months at our latitude. ...

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• Geminid Meteors
• Abstract 218
• Terry Mosely's Bulletins

.

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• The Galaxy Gallery: Messier Objects
• THE HUBBLE LAW JAVA APPLET

. © IRE RAS 1996-200 6

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• Lab234 - Integrated superconducting receivers and spectrometers

National Aeronautics and Space Administration . ... Gregory Errol Chamitoff (Ph.D.) . NASA Astronaut (Former) . ... NASA EXPERIENCE: In 1995, Dr. Chamitoff joined Mission Operations at the Johnson Space Center, where worked as a Guidance and Control Flight Controller. ... SPACE FLIGHT EXPERIENCE: Expedition 17/18 - In 2008, Dr. Chamitoff served as the flight engineer and science officer for a 6-month mission aboard the International Space Station during Expeditions 17 and 18. ... OCTOBER 2013 . ...

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• Astronaut Bio: Shannon Lucid (02/2012)
• Astronaut Bio: W.E. Thornton 05/94
• Astronaut Bio: John E. Blaha (05/2008)

The perturbation method is based on the small-parameter expansion of an unknown solution of the light scattering problem in a vicinity of the exact solution. ... The only probably exclusion is the case of anisotropic particles for which the rigid solution is either impossible or too complicated. For such problems the perturbation method can give information of the first approximation, which is important for understanding of the basic principles of influences of the material anisotropy. ...

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• Astronomy Electronic Preprints and Publications
• Modelling the Milky Way in the Era of Gaia - JD5 Rationale

ChangeLog for omgprep =================== Version 1.0.4 - 2005-06-01 ( VNY ) (+ src / omgprep_mod.f90 ): the moire pattern, which appeared due to undistortion of the image is removed (fixing SSC-SPR-3462) Version 1.0.3 - 2004-07-26 ( VNY ) (+ src / omgprep_mod.f90 ) The WSC keywords are removed from the output file , because they were causing the appearence of a very odd coordinate grid when working with ds9 and fv tools (SSC-SPR-3363) ...

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• Background: motivation for developing this procedure
• Configuration

True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Chandra Proposer's Guide pile up section ] During frame readout, the ACIS CCDs take 40 microsec to (parallel) transfer the charge by one pixel. As a result of this, each frame readout, each pixel is exposed for 40 microsec to a source (plus cosmic X-ray background) at each location along its column. ... Note also that the image does not just trail, it extends along the whole column. ... Chandra Supernova Remnant Catalog . ...

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• The galaxy M100
• Rapidly Rotating Stars
• The AstroStat Slog Blog Archive [ArXiv] Sparse Poisson Intensity Reconstruction

Over the past decade the numbers which outline the scourge of breast cancer have become all too familiar. This year over 200,000 women in the U.S. will be diagnosed with breast cancer and nearly 50,000 will die from the disease. ... About 20% of breast cancers are missed by conventional mammography. ... Brandeis University is proud to be at the forefront of this research. ... Digital mammography will greatly improve our ability to find cancer in the dense breast tissue of these younger women. ...

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• Drawables and Pixmaps
• First Catalog Sources Not in the Second Catalog
• Wavelength calibration

... All images on this page are copyright Robert H. McNaught. ... There have been so many requests for high resolution copies of these images that I ask that all enquiries for these to go directly to Science Photo Library. C/2006 P1 on Jan 18, 10:22 UT. Photo: R. H. McNaught, Siding Spring Observatory. Canon 5D, 135mm, f/2.0, 2 sec exp., ISO 1600 . ... ISO 200 . ... Canon 5D, 50mm, f/2.0, 30 sec exp., ... Canon 5D, 135mm, f/2.0, 120 sec exp., ... Canon 5D, 50mm, f/2.0, 110 sec exp., ...

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• Blue Straggler Stars
• Tornado near Coonabarabran 2005 Jan 20
• VV29 = Arp 188 = The Chainsaw Galaxy

... Author Info : New to the game, only started playing May '94. ... Play Information * Episode and Level # : E2M1 Single Player : Yes Cooperative 2-4 Player : Yes Deathmatch 2-4 Player : Yes Difficulty Settings : Yes , but not too well done New Sounds : No New Graphics : No New Music : No Demos Replaced : 1 * Construction * Base : New level from scratch Editor(s) used : DEU 5.1, 5.21GCC, BSP12x, REJECT10 Known Bugs : Slow down in tower room, whole ...

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• Image: Dreaming about things on display. After checking, they appeared to be

... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...

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• OptInt PmWiki : PmWiki / Pagelist Variables
• PPT Slide
• Astrophysics Group Research and Instrumentation