Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

... Classical nova V2362 Cyg (N Cyg 2006, 21:11:32.34, +44:48:03.9, 2000 [position in ATel 928 is incorrect!] ) undergoes gradual increase of its brightness since middle of August, 2006 from the level of V = 11.9. ... Full width of Halpha line is 5900 km/s, and that one of Hbeta is 5300 km/s. We identified the strongest emission features as CIII+NIII blend centered on 4652A, [OIII]+NII blend on 5010A, NII+[NII] blend on 5708A, NaI+OI blend on 5920A. Absence of HeI lines at 6678 and 7065A is surprising. ...

Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 20 - 26.08.2012, Forecast on 27.08 - 03.09.2012, Carrington Rotation 2127 (15,04.08.2012) SUNSPOT ACTIVITY OF THE SUN REMAINED AT THE AVERAGE LEVEL. ... ON THE VISIBLE SOLAR DISK CONSTANTLY THERE WERE 4-5 SUNSPOT GROUPS ONE OF WHICH, APPEARING ON THE VISIBLE SOLAR DISK ON AUGUST 25, AVERAGE SIZES. NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY IS EXPECTED TO BE AVERAGE. ... FLARE ACTIVITY WAS ON THE LOW LEVEL IN ALL DAYS. ...

Magnetic field measurements onboard the Interball Tail spacecraft are carried out by the FM-3I instrument which consists of two flux-gate magnetometers covering two different ranges: [-200, +200] nT and [-1000, +1000] nT. Besides scientific goals, the FM-3I experiment data is used to perform the attitude control of the Interball Tail spacecraft. ... August 22, 1995 . ... October 18, 1995 . Top of the page . ... Back to the Interball Home Page . ...

These images have been selected from those recorded with the telescopes at Mt. ... This is the full 25 arcminute field of view of the CDK700 with its Apogee U16 camera. ... Jupiter on November 1, 2011, at 07:06 UT was recorded with the CDK125 Shared Skies Live telescope and an AVT Prosilica GX-3300 video camera. ... The first quarter moon on August 17, 2010 at 02:20 UT was recorded through thin cirrus with the CDK125 Shared Skies Live telescope at Moore Observatory. ...

... There are TPM log files for every night of the dark run except for the nights of 08 October and 14 October 1999. ... The figures below are plots of the MIG data with the y-axis in TPM MIG units (real MIG units*1000) and the x-axis in seconds since midnight. ... Figure: Plot of MIG values vs elapsed time from midnight 10 October 1999. ... Figure: Plot of MIG values vs elapsed time from midnight 08 October 1999.The plot starts recording data from 21:26:52.0 on that day. ... 11/24/1999 ...

National Aeronautics and Space Administration . Lyndon B. Johnson Space Center . ... SHANNON W. LUCID (Ph.D.) . nasa astronaut (former) . ... She is qualified for assignment as a mission specialist on Space Shuttle flight crews. ... A veteran of five space flights, Dr. Lucid has logged 5,354 hours (223 days) in space. ... Dr. Lucid retired from NASA in January 2012. ... In completing this flight, Dr. Lucid logged 838 hours and 54 minutes in space. ... FEBRUARY 2012 ...

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

The form on this Web page allows specifying a celestial position for which the full 4x4 degree NVSS FITS image is desired. ... Other services of the NVSS survey include: . ... NVSS Postage stamp (small FITS or jpeg file) server . direct ftp to NVSS 4x4 deg. FITS image and documentation server . NVSS source catalog and software ftp server - but please note that you will need to schedule an overnight job for a quiet time slot to download the 150Mb CATALOG.FIT file to avoid timeouts etc. ...

... Home Articles Best Celestial Events of 2006 . ... Clear Sky Chart . ... Beyond New York City . ... Best Celestial Events of 2006 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... October . ... October, 2013 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...

... In accordance with assignment she was sent to Nikolaev branch of the Pulkovo observatory. At the Nikolaev Observatory Eugene Khrutskaya worked with the meridian circle, she made a lot for automatization of observational process, and in 1973 she created the catalog of right ascensions obtained for more than 6000 stars, and she defended her thesis. ... From 2004 to the present, Evgenia Khrutskaya was Head of the Laboratory of astrometry and stellar astronomy. ... Pulkovo observatory . ...

Russian . Main . News . ... Minutes of the Telecon on January 17, 2012. ... News of the RadioAstron mission on the Lavochkin Association site up to September 15, 2011 (in Russian). News of the RadioAstron mission up to September 3, 2011. News of the RadioAstron mission on the Lavochkin Association site (in Russian). News of the RadioAstron mission up to August 18, 2011. ... Second version of the RadioAstron Mission Operations Handbook ( in Russian )is placed on the project site . ...

... HER: And your eyes HIM: Your eyes , your eyes BOTH: They tell me how much you care Ooh yes, you will always be My endless love BOTH: Two hearts, Two hearts that beat as one Our lives have just begun HER: Forever HIM: Ohhhhhh BOTH: I'll hold you close in my arms I can't resist your charms HER: And love HIM: Oh, love BOTH: I'll be a fool For you, I'm sure HER: You know I don't mind HIM: Oh, you know I don't ...

An introduction to the celestial sphere, describing its . apparent rotation and the special role of the pole star. ... This lesson plan supplements the web page listed below. Originally named "The sky above us" , it was split into two parts, each of which now has a lesson plan. ... Celestial sphere, constellation, zodiac, celestial pole, the Pole Star ("Polaris"), celestial equator, rotation of the Earth, planets [theodolite, equatorial axis]. ... What makes the Pole Star special? ...

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . ... Cosmonauts. ... Military Space . ... Development And Launch Of The First Satellite Of Earth . ... Vladimir Ivanov, the first commander of VKS in 1992-1997, recalls the years of organization of the Military Space Force as well as the development of launch vehicle and space systems in that years. ... 40 years ago, in August 1962, Andriyan Nikolayev and Pavel Popovich were the first cosmonauts to fly into space simultaneously. ...

Wednesday, August 22nd, 2012 . GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer)? (http://eros NULL .usgs NULL .gov/#/Find_Data/Products_and_Data_Available/gtopo30_info) . ... You are currently browsing the Лаборатория лазерной интерферометрии blog archives for August, 2012. ... Наши публикации . ... Публикации за 2010 . Публикации за 2011 . ... Лаборатория лазерной интерферометрии is proudly powered by WordPress . ...

The accommodation fees for the V APAO : . ... Team fee: 380.– Euro/team . ... Euro . ... Supplement fee for extra days (before 12:00 of October 7 th or after 12:00 of October 14 th ): . ... Two days before and two days after the Olympiad are possible in the Damyang Youth Camp (i.e. since 12:00 October 5 th till 12:00 October 7 th and since 12:00 October 14 th till 12:00 October 16 th ). ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the Asian-Pacific Astronomy Olympiad (APAO) . ...

Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...

... This task is designed to produce colour plots, the displayed colour at any pixel being a function of the relative intensities in the supplied energy/wavelength bands. Although designed originally to display EPIC X-ray images, it can also be used to create false-colour plots from OM images. ... The created colour image may either be stored in one of the file formats accessible via the pgplot library, or as a 3-plane fits file, or as a ppm image. ...