... 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...

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• APOD: August 11, 1995 - The Compton Gamma Ray Observatory
• APOD: May 20, 1998 - Discovery Image: Comet SOHO (1998 J1)
• APOD: April 13, 1998 - The Sun Changes

... 16.01.2000 . ... Credit: STS-37 Crew, Compton Science Support Center , NASA Explanation: The Compton Gamma Ray Observatory (CGRO) was the most massive instrument ever launched by a NASA Space Shuttle in 1991 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: Observatory - satellite - gamma ray . Publications with words: Observatory - satellite - gamma ray . ...

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• Астронет > The Compton Gamma Ray Observatory
• Journal "Peremennye Zvezdy"
• Астронет > Discovery Image: Comet SOHO (1998 J1)

... An artificial comet holds secrets to Earths life . ... Astronomers recently discovered that Scholz's star passed close to the Sun 70,000 years ago. Wouldn't its gravity have sent Oort Cloud comets raining into the inner planets? ... COMETS | OORT CLOUD . Based on the number of long-period comets that enter the inner solar system, astronomers estimate there are probably trillions of them in the Oort Cloud. Get instant access to subscriber content on Astronomy.com! ... Discover | ...

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• A tough comet survives a close encounter with the Sun | Astronomy.com
• Neighbor galaxies may have brushed closely, astronomers find | Astronomy.com
• Herschel Space Observatory is key to discovery of spectacular gravitational

... 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) . ...

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• LWN: Porting device drivers to the 2.6 kernel

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 , . ...

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• Martina Glass | Astronotes - Part 2
• Solar System | Astronotes - Part 3
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... 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. ...

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• Recent changes in Earth's albedo and its implications for climate change
• C.J. Butler, Research Astronomer
• Climate Change Research at Armagh

These policies are consulted whenever there are questions or concerns for closing the enclosure due to hazardous conditions or situations. telescope operations will be suspended whenever conditions pose a risk to facilities or personnel; . the Chief Telescope Engineer has full responsibility and sole authority to make this decision. ... Policy: The Chief Telescope Engineer has full responsibility and sole authority to suspend operations for the reasons described in the previous policy. ...

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• APO Home Page
• Astrophysical Research Consortium - Apache Point Observatory
• Manastash Ridge Observatory Home Page

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. ...

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• ASP: Effecting Global Change
• ASP: An Ancient Universe - Changes in the Solar System
• ASP: An Ancient Universe - Changes in the Universe

... Class . ... PREV CLASS NEXT CLASS . FRAMES NO FRAMES All Classes . ... FIELD | ... METHOD . DETAIL: FIELD | ... public interface IJEventListener . ... Field Summary . static int . ... Field Detail static final int FOREGROUND_COLOR_CHANGED . ... Constant Field Values . static final int BACKGROUND_COLOR_CHANGED . ... static final int COLOR_PICKER_CLOSED . ... static final int LOG_WINDOW_CLOSED . ... static final int TOOL_CHANGED . ... Method Detail void eventOccurred (int eventID) . ...

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• ij (ImageJ API)

... 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 . ...

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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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... 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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• The AstroStat Slog ARCH
• The AstroStat Slog GARCH
• The AstroStat Slog change point problem

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. ...

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• Archive for December
• Archive for May
• Change of Supported Apertures for E230H

... Close SSC-SPR-3253 Version 4.0.2 - 2004-02-26 GL ------------------------------- Updated task description. ... Version 1.8.2 2000-07-02 ------------------------- + test output removed Version 1.8.1 2000-07-02 ------------------------- Closed SPRs : + SSC- SPR -1147 PSF center harcoded at 320,320 + SSC- SPR -1604 Task fails if optional parameters are omitted + SSC- SPR -1791 missing info file Version 1.8 (January, 25 2000) -------------------------------- - ...

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• http://xmm.vilspa.esa.es/sas/6.0.0/doc/esplinemap/ChangeLog
• Change history

Discovery of PSR J0108-1431, the closest known neutron star . ... S. Johnston (RCfTA, University of Sydney, Australia), . M. Bailes (ATNF, CSIRO, Australia), . ... Here we report the discovery of PSR J0108-1431, a pulsar which has the lowest known dispersion measure, 1.83 pc cm^-3. Reasonable models of the interstellar electron density distribution indicate that its distance is less than 100 pc, making it the closest known radio pulsar and probably the closest known neutron star. ...

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• VLBI Wiki | Main / LBA-OpsHobart12-13Feb13
• lbaops:lba-opsperth11-12feb14 [ATNF VLBI Wiki]
• lbaops:lba-opshobart12-13feb13 [ATNF VLBI Wiki]

spaceweb@oulu.fi - last update: 14 January 1999, 0950 UT (RR) . Term 'global change' is used to describe the changes of the large scale weather systems on Earth , and especially the surface temperature increase, by man-made increase of atmospheric CO 2 . ... It is the last point that is of importance for space physics, since it is possible that also the changes in Sun 's activity could be causing some changes in terrestrial climate. ... Space Physics Text Book of Oulu ...

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• Lagrangian Points
• Parallax
• The Wind Spacecraft

... 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 . ...

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• ESO - La Silla Science Operations
• ESO - La Silla Paranal Observatory
• ESO - VLT Service Mode Guidelines

. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

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• NAIC's Observatory in Arecibo, Puerto Rico
• How to Observe Pulsars at the Arecibo Observatory
• Arecibo Radar Discovers Triple Near-Earth Asteroid

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Info
• Phil Plait's Bad Astronomy: Mad Science

... 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. ...

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• Keeping Bibliographies using ADS
• ADASS 2003 Conference Proceedings
• On the Need for Input Data Control in Pipeline Reductions