... NASA's newest Great Observatory, the Chandra X-Ray Observatory (CXO) -- formally known as the Advanced X-Ray Astrophysics Facility (AXAF) -- launched on July 23, 1999 and represents such an advance. ... Hughes Danbury Optical Systems (HDOS), now Raytheon Optical Systems Incorporated, figured and polished the x-ray optics; Optical Coating Laboratory Incorporated (OCLI) coated the polished optics with iridium; and Eastman Kodak Company (EKC) mounted and aligned the optics and provided the optical...

... Authors: Thomas Barclay et al. каталог arxiv:1305.4385 Второй каталог гамма-пульсаров Телескопа большой площади спутника Ферми (The Second Fermi Large Area Telescope Catalog of Gamma-ray Pulsars) . ... Authors: A. Dominguez et al. arxiv:1305.1934 Интерферометрические измерения радиусов для ярких кеплеровских звезд на системе CHARA: тэта Лебедя и 16 Лебедя А и В (Interferometric radii of bright Kepler stars with the CHARA Array: Theta Cygni and 16 Cygni A and B) . ... Authors: Valeri V. Makarov . ...

... What is the World Wide Web? Introduction to URIs . ... HTML 4.0 . ... Compound documents . ... Authoring documents with HTML 4.0 . ... Every resource available on the Web -- HTML document, image, video clip, program, etc. -- has an address that may be encoded by a Universal Resource Identifier , or "URI". ... This URI may be read as follows: There is a document available via the HTTP protocol (see [RFC2068] ), residing on the machine www.w3.org, accessible via the path "/TR/REC-html4/". ...