News of events at Armagh Planetarium . ... Events . ... Coming to galaxy near you is The Stars Awaken, a wonderful exhibition of€а full-size fan-built props and creations inspired by the amazing Star Wars saga! ... Our course Stargazing the Night Sky€аwill be presented this spring at Queens University of Belfast. ... Celebrate Stars Wars at the Stars Awaken Exhibition Posted on March 3, 2016 . ... Click here to receive news of special events at Armagh Planetarium . 2016 Armagh Planetarium Events. ...

True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Radio Images Page: not availabe . Link to Green's Catalog page . ... Exposure uf . ... 1959 . ... Exposure uf Exposure time of unfiltered event file . Exposure f Exposure time of filtered event file . ... Click left mouse button on hyperlink below to download file . ... Event 2 FITS File . ... AUX file . ... see fit detail page for more about the fit. see chandra spectrum page for region used. ... True Color Image . ...

... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... To commemorate the international scientific importance of Rodney Reserve, the CSIRO Australia Telescope National Facility (ATNF), Australia's national radio astronomical research facility and a successor to the Division of Radiophysics, is erecting a full-size replica of one of the early radio telescopes on this site, together with an interpretative display....

... Tonight's Sky . ... Observing . ... Sky this Month . ... Is cosmic acceleration changing? A new analysis shows that dark energy, the engine driving the universe's speeding expansion, may be changing fast. ... Cosmic acceleration is the biggest mystery in all of science," says University of Chicago cosmologist Michael Turner. ... for measuring dark-energy changes. ... and any change in dark energy's acceleration ? ... Only registered members of Astronomy.com are allowed to comment on this article. ...

... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

... During the past year the Astrophysics Data System has set up two mirror sites for the benefit of users around the world with a slow network connection to the main ADS server in Cambridge, MA. ... The software used to perform the actual mirroring of the databases consists of a main program running on the ADS master site initiating the mirroring procedure, and a number of scripts, run on the mirror sites, which perform the transfer of files and software necessary to update the database. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... J.A. Hardcastle . ... He was a first-class speaker, and he had the ability to make his subject really fascinating; for instance, he was a skilled maker of astronomical models. ... Naturally, he also served on the R.A.S. Committee dealing with the publication of Sir William Herschel's papers, and it was about this time that he came into close contact with Dreyer at Armagh. ... Mrs Hardcastle . ... Armagh Observatory, 1917 . ...

. NASA Johnson Space Center Oral History Project . Photos provided by NASA JSC Image Repository and Terry Slezak . TS_24.jpg - Terry Slezak in the Weightless Environment Training Facility (WETF) with ?pet? alligator.

... However, the feed matrix MF can radically change the polarization state; for example, as we shall see a dual-circular feed changes the order of the Stokes parameters in equation 1. ... We have Q src = P src cos 2PA src (8a) U src = P src sin 2PA src (8b) P src = (Q 2 src + U 2 src ) 1=2 (8c) PA src = 0:5 tan 1  U src Q src  (8d) { 5 { As we track a source, the parallactic angle PA az of the azimuth arm rotates on the sky. ... LBW LBW is a very wide band feed with native linear polarization. ...

Find The Perfect Gift For Your Favorite Astronomy Nut . Articles | ... If you have an astronomy nerd, nut, or enthusiast on your gift-giving list, you are in luck when it comes to shopping. ... Astronomy is the wonderful science of examining and learning about our universe, and the instruments of observation are telescopes and binoculars. ... The Internet is your shopping mother lode for astronomy-related gifts. ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...