... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This shows the Sun, Moon and Earth (not to scale) together with the . ... They have tested the technique on the Earthshine, the light reflected from the Earth by the Moon, and showed that it can reveal the presence of life in our planet. ... This technique uses the fact that the light reflected from the planet is polarised, whereas that emitted by the star is not. ... Polarised light can tell us about the reflecting surface...

Astronomy Picture of the Day . ... 28.11.1995 . ... Credit NASA , STS-37 Crew . Explanation: Named for Nobel laureate physicist Arthur Holly Compton , the Compton Gamma Ray Observatory (CGRO) Satellite was launched in April of 1991 aboard the Space Shuttle Atlantis . CGRO's mission is to explore the Universe at gamma-ray energies. The massive space based observatory is seen here held upright in the shuttle payload bay behind smiling astronaut Jerry Ross . ... April . ... November 1995 . ...

... Australian telescopes have helped the Hubble Space Telescope (HST) find thousands of new galaxies. ... Preliminary HST results were released today by NASA's Space Telescope Science Institute , as were the results from the Australian institutions. ... Called the Hubble Deep Field South , it complements the original Hubble Deep Field , another small patch in the northern sky. ... The Anglo-Australian Telescope has measured the distances of about 75 faint far-flung galaxies in the field. ...

... 2000 April 8 . Compton Observatory In Orbit . Credit STS-37 Crew, NASA . ... Lofted above the protective atmosphere, Compton's instruments could explore the extreme high-energy Universe in gamma rays, photons with 100,000 times or more the energy of visible light. The premier gamma-ray observatory far exceeded expectations for a two- to five-year mission, but a recent gyroscope failure has prompted NASA to decide to steer the satellite safely back into the atmosphere. ... About APOD | ...

Version 2 calibrated data , catalogs , and flanking fields added, at long last. ... In addition to the final combined NICMOS version 1 images that were already released on November 23, 1998, all individual calibrated (un-combined, un-mosaiced) NICMOS exposures are now also available for downloading as gzipped tar files (March 11, 1999). ... Added some links to technical information on the page describing the HDF-S Catalogs (December 23, 1998). ... HDF-S Catalogs are now available (December 21, 1998). ...

... Science . ... Science Users Information > Science Publications > Science Announcements > New Releases of Images and Catalogues from the VIKING and KiDS Surveys . ... ESO Data . ... Both the VISTA Kilo-degree Infrared Galaxy Survey ( VIKING ) and the VST Kilo-Degree Survey ( KiDS ) are making their second data releases. ... The new catalogue data are accessible from the catalogue facility query interface , and each release is accompanied by comprehensive descriptions ( KiDS and VIKING ). ...

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Space Flight . ... When Galaxies Collide (Image credit: ALMA (ESO/NAOJ/NRAO). Visible light image: the NASA/ESA Hubble Space Telescope) . In the southern sky constellation of Corvus (the Crow), we see the Antennae Galaxies (alias NGC 4038 and 4039). ... Your email address will not be published. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

... WISE is achieving 5sigma point source sensitivities better than 0.08, 0.11, 1, and 6 mJy in unconfused regions on the ecliptic in bands centered at wavelengths of 3.4, 4.6, 12, and 22 mum. ... The WISE All-Sky Release Source Catalog is available in compressed (gzip or bzip2) ascii form. ... Users should be aware that the Catalog table is extremely large. ... For complete documentation of the WISE All-Sky Release Source Catalog and the All-Sky Data Release, please see the Explanatory Supplement . ...

... 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) . ...

. " 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."

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. November 8, 1996 . A Solar Corona Ejection . ... One reason, besides the extreme heat, is that explosions are common there . In the above picture, magnetic fields buckle releasing previously constrained hot material from the upper atmosphere of the Sun . ... CMEs are more common but less intense than solar flares . ... About APOD | ...

. 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.