Astronomy Picture of the Day . ... 11.08.1995 . ... Credit: NASA , Compton Gamma Ray Observatory Science Support Center Explanation: The Compton Gamma Ray Observatory (CGRO) was the most massive instrument ever launched by a NASA Space Shuttle and continues to revolutionize gamma-ray astronomy. This orbiting observatory sees the sky in gamma-ray photons - light so blue humans can't see it. ... Publications with keywords: gamma ray . Publications with words: gamma ray . ... Gamma Ray Bursting . ...

... Editor's choices for the most educational Astronomy Pictures of the Day about orbiting observatories: . ... The trouble is that Earth-bound telescopes must look through the Earth's atmosphere . ... Telescopes which explore the Universe using light beyond the visible spectrum, such as those onboard the Chandra X-ray Observatory need to be carried above the absorbing atmosphere. ... By orbiting above the Earth's atmosphere, the Hubble Space Telescope, pictured above , can get clearer images. ... Index...

... SCIENCE AND BUSINESS . Such a trifle as a starry night sky of largest observatories turned out to be a small change coin in commercial bargains for exclusive communal services in Russia, and for a few elite flats in penthouses in Ukraine. SCIENCE AND BUREAUCRATISM . ... Till in Russian) . ... Clericalization of science and education (Till in Russian). ... Researcher of the Sternberg Astronomical Institute, The Moscow University. ... SAI home page . ... October, 2008) . ... November, 2007) . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Armagh Observatory, 11th August 2015: Astronomers at the 29th International Astronomical Union General Assembly in Honolulu, Hawaii, have announced the discovery of the tenth transiting тАЬcircumbinaryтАЭ planet, a result that brings the number of such known planets into double digits. A circumbinary planet orbits two stars, and like the fictional planet тАЬTatooineтАЭ from Star Wars, the planet has two suns in its sky. ...

... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... space flight . ... Herschel Space Observatory is key to discovery of spectacular gravitational lens . ... GRAVITATIONAL LENSING | ... While formally the Herschel Space Observatory did not discover this gravitational lens, it was the breakthrough Herschel performance that allowed the astronomers to measure the far-infrared emission of 3C 220.3, which in turn made them suspicious about its origin. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Alien Life . ... Space Flight . ... Science Fiction . ... Posted on January 30, 2015 | 3 Comments Dyson spheres are an outrageous concept. ... Continue Reading.. ... Posted on November 7, 2013 | 1 Comment November 9 is Carl Sagan Day when enthusiasts of astronomy and science remember and celebrate the life and works of Carl Sagan. ... Posted on September 27, 2013 | ... Posted on July 18, 2013 | ... Posted on May 9, 2013 | ... 13 Comments , . ...

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . b) Changes in Stars . One of the great discoveries of modern science is that stars (like people) live only a measurable life-time and then die. Although the lives of the stars are enormously longer than the span of a human life, we can learn about the life story of the stars by studying them at many different stages in their life cycle, from birth to death. ...

... Astronomical Observatory, Shevchenko Park, Odessa, 65014, . ... The XVI -th G. Gamow's Odessa Astronomical Summer Соnference-School, 14-20 August, 2016, Odessa, Ukraine . ... The XV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 16-23 August, 2015, Odessa, Ukraine . ... The XIV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 17-23 August, 2014, Odessa, Ukraine . ... The XIII -th G. Gamow's Odessa Astronomical Summer Соnference-School, 19-25 August, 2013, Odessa, Ukraine . ...

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

For Cycle 9 the Science Program Selection Office (SPSO) has changed the selection process to ensure that HST will continue to perform the best possible science with the best return for the astronomical community. This report summarizes the changes to the selection process and offers suggestions on writing an effective proposal that accounts for these changes. ... Fewer panels: With more orbits to allocate, each panel will have more flexibility, especially to approve the somewhat larger proposals. ...

... Observatory . ... Science . ... Science Users Information > Science Publications > Science Announcements > Paranal Instrumentation Changes . ... Observing Facilities . La Silla Paranal Observatory . Paranal Facilities . La Silla Facilities . ... Instrumentation Development . Future Facilities and Development . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... Science Archive Facility . ... ESO Data . ... ESO Data Access Policy . ...

... R. E. Jackson . ... H.-M. Adorf . ... D. C. Wells . ... AstroWeb is a World Wide Web (WWW) interface to a collection of Internet accessible resources aimed at the astronomical community. ... The goal of AstroWeb is to be the most complete, up to date, and useful listing of Internet accessible astronomical resources available anywhere. ... Jackson, Wells, and Adorf noticed that they and others had created largely overlapping lists of Astronomical resources. ...

... Posts tagged ?X-ray? ... Posted by vlk . There is a lesson that statisticians, especially of the Bayesian persuasion, have been hammering into our skulls for ages: do not subtract background. ... 6 Comments . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...

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ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Staff list | Student list | ... Email discussion lists . ... Murchison Radio-astronomy Observatory . ... Australia Telescope Online Archive (ATOA) . ... Virtual Radio Interferometer . ... CSIRO ATNF Data Archives . ... http://www.atnf.csiro.au/_Mail_Archives/ivo/ . ... discussion, without having to be subscribed to the list. ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...

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