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... This section briefly describes the OpenVMS computing environment at STScI. There are several VMS clusters (groups of VMS systems that share resources) at the Institute: SOGS, STOSC, GSSSA, STRVW, DADS, and STSCIC. ... The STOSC cluster is used for Science Operations Ground System development and testing. The STSCIC cluster, commonly known as the "Science Cluster," is used for general science and development. ... VMS Systems Configuration . Figure 1: - STScI VMS Systems . ...

. Families of periodic solutions of the planar restricted three-body problem and their application at designing the orbit for the space radio telescope . A. B. Kreisman . Astro Space Center of Lebedev Physical Institute of Russian Academy of Sciences, Moscow, Russia Abstract: . No abstract Key words: . Very Long Baseline Interferometry (VLBI), celestial mechanics, periodic solutions, planar restricted three-body problem, space radio telescope.

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

... A Protected Night Sky Over Flagstaff . ... This sky is protected. Yesterday marked the 50 year anniversary of the first lighting ordinance ever enacted, which restricted searchlight advertisements from sweeping the night skies above Flagstaff, Arizona, USA. ... Phobos: Doomed Moon of Mars . ... Curious Cometary Knots in the Helix Nebula . ... On April 12th, 1961, Soviet cosmonaut Yuri Alexseyevich Gagarin became the first human in space. ... Stickney Crater . ... Is this a spiral galaxy? ...

ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Visitor list . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Observing schedules . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

sas-admin -- Admin List XMM SAS developers [restricted membership] . ... The current archive is only available to the list members. ... To post a message to all the list members, send email to sas-admin@xmm.esac.esa.int . You can subscribe to the list, or change your existing subscription, in the sections below. ... To change your subscription (set options like digest and delivery modes, get a reminder of your password, or unsubscribe from sas-admin), enter your subscription email address: . ...

... Images and Data from the Shared Skies Partnership . ... Open access to selected images and data . Restricted access to user data . Restricted access for schools . Restricted access for the astronomy lab . Other Data and Image Resources . Sky View (internet virtual telescope) . SIMBAD Astronomical Database . ... International Astronomical Union Circulars (restricted access) . Sloan Digital Sky Survey Release 8 . Multimission Archive at Space Telescope . ...

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... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

... The XFreeOS2 mailing list deals with all aspects of the XFree86/OS2 port of the X Window System, including, but not restricted to . ... Please ensure that your email address is stable and reachable, so don't use for instance some PC in a university cluster which is occasionally offline, or which is good for sending mail only. To send a message to other list subscribers, send your mail to the address . ... Replies to mails from the list will be sent back to the list. ...