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. ...

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... 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. ...