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 . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Space Flight . ... A galaxy is born: This artist's impression shows a young galaxy, about two billion years after the Big Bang, accreting material from the surrounding hydrogen and helium gas and forming many young stars. ... Galaxies, distant from us in space and time, have been in the news recently. ... Astronomers at the European Southern Observatory have observed another process which helped primordial galaxies grow. ...

. SAI VO . SAI WS . SAI CAS . SAI VO . Web Services . Catalog Access Services . SAI VO . About Us . Contact Us . SAI VO Wiki . SAI CAS . ConeSearch . CrossMatch . Program Access . SAI CAS Wiki . SAI Web Services . WCSFix . Development . arXiv.org Search . DSS Mirror . Astronomical Thesaurus . VO Links . IVOA . RVO . SIAP interface is also available . Center Radius Arcsec Arcmin Degrees . M13 , or 16 41 41.44 +36 27 36.9 , or 250.42267 +36.46025 . SAI VO | Astronet | SAI MSU | Legal Information .

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

This module provides information on server activity and performance. ... Compatibility: Available in Apache 1.1 and later. ... ExtendedStatus To enable status reports only for browsers from the foo.com domain add this code to your httpd.conf configuration file <Location /server-status> SetHandler server-status Order Deny,Allow Deny from all Allow from .foo.com </Location> . ... A machine-readable version of the status file is available by accessing the page http://your.server.name/server-status?auto . ...

Contact with possible Extraterrestrial Life . Recommendation for the human Contact Team to Interact with Unknown Life Forms . Contact teams meeting an Unknown Life Form must be prepared for severe psychological impact. Extreme anxiety response will almost certainly occur. The personality traits of individuals who can withstand extreme anxiety must be determined and such individuals selected to comprise the team. ... Contact team report. ... Our Contact team continue investigation. ...

AMATEUR ASTRONOMERS ASSOCIATION Class Registration Form Dear AAA, Please enroll me in your winter/spring series of 7 weekly classes starting February, 2012. NAME: I am an AAA member. Enclosed is my check for $60. EMAIL/PHONE NAME: ADDRESS: CITY: TELEPHONE I am not an AAA member. ... YES NO Please mail your completed form, along with a check or money order to: Amateur Astronomers Association P.O. Box 150253 Brooklyn, New York 11215 ...

This Directory contains mean hourly, mean daily and mean monthly values of cosmic ray intensity recorded by World Network NM stations to the end of 2011. ... CD is created in WDC for STP, Moscow and IZMIRAN. ... This directiry contains catalogue Corrected for pressure and verificated data in WDC for STP, Moscow . This directiry contains catalogue Corrected only for pressure but Original data in WDC for STP, Moscow . ... 20 May - 22 July 1972, M., 1975 6. 27 March - 22 July 1972, M., 1975 7. ...

EIGHTEENTH CREW . ... EXPEDITION EIGHTEEN (ISS-18) . ... Graduated from Clear Creek High School where he got keen on computers and began to study programming and develop his first computer-assisted games independently. Graduated from the University of Texas in Anstin. ... In 1983 he together with his father and brother Robert founded the Origin Systems Company engaged in the development of computer games which he sold to the Electronic Arts Company in 1992 and continued working in this company. ...

MPEC 2010-L25 : 2010 LG14 6/7/10 9:33 AM Printer- friendly version Search MPC/CBAT IAU Minor Planet Center MPC Operations Status Processing (Info) ECS: Accessible Observer Services (NEOs) N N N N N N N EO Services Overview EO Confirmation EO Confirmation (RA order) EO Ratings EO Page EO Observation Planning Aid EOChecker MPEC 2010- L25 : 2010 LG14 The following Minor Planet Electronic Circular may be linked- to from your own Web pages, but must not otherwise be redistributed electronically . ...

... The VSOP Symposium proceedings, "Astrophysical Phenomena Revealed by Space VLBI" have been published and have been distributed to participants. ... Following the successful launch of the VLBI Space Observatory Programme (VSOP) satellite HALCA in February 1997 there have been many exciting results from space VLBI observations. ... Also, check the newly revised getting to ISAS page which has links to pictorial "Getting to ISAS from Fuchinobe" and "Getting to the Dai-Ichi Hotel from Fuchinobe" pages! ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

... Meade Series 4000 Nebular Filters incorporate the very latest in interference coatings technology. ... Technical Basis of the Meade Broadband Nebular Filter: As shown in the transmission graph below, the Meade Broadband Nebular Filter strongly rejects the light of sodium- and mercury-vapor lights as well as natural airglow and auroral emissions. ... Meade Series 4000 Narrowband Nebular Filters . ... Meade Series 4000 Oxygen-III Nebular Filters . ... Meade Series 4000 Photo-Visual Color Filters . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Май 1998 . ... Дата: 14 мая 1998 (1998-05-14) От: Alexander Bondugin Тема: JSC Becomes First ISO 9001 Certified NASA Field Center Привет всем! ... From the mountain's extreme environment, health data will travel from the base camp to the NASA-Yale telemedicine project. ... NASA has been a pioneer in telemedicine since the beginning of human space flight. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... As the comet approaches the Sun, that ice melts and even vaporizes. It boils off the comet head and the moving comet leaves it behind. ... Plus, there must be a large pocket of gas just under the surface of the comet. ... Finally, the tail is streaming off the comet head, but appears to be off to one side since the comet's motion around the Sun makes it leave behind that material. ...

... A Proposal for an International Atlas of Lunar Exploration Philip J. Stooke Department of Geography University of Western Ontario London, Ontario, Canada N6A 5C2 Introduction. ... I propose the creation of an International Atlas of Lunar Exploration to tell this story in cartographic form. ... Many new products would be based primarily on spacecraft images rather than drawn maps, which will also reduce costs and help illustrate the primary data products of the principal lunar missions. ...

... Using the photometric data for about 1400 disk-population red giants, we investigate the metallicity variations in function of the spectral class (colour and of the luminosity. ... The metal-dificient giant population of the galactic disk os fund to lack stars which could be older than the open cluster NGC 188, i.e. 7x10 9 years. ... По фотометрическим данным, примерно для 1400 красных гигантов диска Галактики исследованы вариации металличности в зависимости от спектра (цвета) и светимости. ...

... The software enables to browse HITRAN-86 or 96 databases. It enables input first 7 atmospheric gases. ... calculate atmospheric transmittance on any pressure level, . calculate instrument transmission functions through the atmosphere, . ... The software is supplied by standard atmospheric profiles, extracted from FASCODE_3.0 FORTRAN codes (dowloaded from PL/GP), and by instrument response function for IR channels of NOAA 14 satellite (both AVHRR and HIRS, downloaded from NOAA/NESDIS). ...

Vasyl Ivchenko , Dr., Prof., Head of the Department, ivchenko_v@univ.kiev.ua . ... Vasyl Choliy , Ph.D., Assoc.Prof., choliy@galaxy.ups.kiev.ua . Olexiy Agapitov , Res. Assist., agapit@univ.kiev.ua . Lyudmyla Kozak , Res. Assist. ... Mykola Dzubenko , Dr., Prof. George Lizunov , Ph.D., Head of the Laboratory liz@space.phys.univ.kiev.ua . ... Volodymyr Vashchenko , Ph.D, astdept@space.phys.univ.kiev.ua . ... Lydmyla Bilokrynytska , Leading Eng., astdept@space.phys.univ.kiev.ua . ...

... Site . ... To Join/Renew your membership, please use the following steps: . ... Fill out the form and mail with your check to the Membership Chair at the address listed on the form. ... Since we are a section of the Rochester Academy of Science, RAS dues are a prerequisite for section membership. ... The membership fees for the various sections are listed on the Membership forms listed above. ... For a faster response, mail your form and check to the membership chair at the address listed on the...