... Numerical simulations of highly turbulent flows in astrophysics benefit greatly from recent advances in high performance computing. ... Figure: Perspective full domain view of vertical velocity at one instant in time in 3-D turbulent convection simulation ( ). ... Original PostScript figure (1496 kB) . ... Figure: Phase diagram of pointwise convective flux as function of the vertical velocity in a horizontal plane near midlayer for turbulent convection with , and , with . ...
Next: NICMOS Observes the Galactic Up: NICMOS Science Previous: Unusual Emission near a . ... Previous Observations . ... We are attempting to test these models by searching for the presence of such circumbinary material around the only known c+WR object: Cyg X-3. ... This result is preliminary and needs confirmation by NIC-1 observations with its better sampling of the stellar profile. binaries: close - stars: individual: Cyg X-3 - stars: Wolf-Rayet - infrared: stars - circumstellar matter . ...
... The Triplet Lenses are manufactured by LOMO PLC of St. Petersburg Russia, one of the world's largest and most advanced optical manufacturers. ... This day the official web site of St.Petersburg company, lomo.ru, became accessible. ... LOMO VOTING PAPERS PROCESSING COMPLEXES TESTED SUCCESSFULLY . On December 16, 2001 during elections to Legislative Assembly of Leningrad Region, Russia, pilot pieces of the new Voting Papers Processing Complex created at LOMO PLC were used for the first time. ...
... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...
P.O. Box 797 Sonoita, AZ 85637-0797 June 19, 2000 Prof. David Chalmers Philosophy Department Room 213, Social Sciences Building University of Arizona Tucson, AZ 85721-0027 Dear Prof. Chalmers: Well, here's another one from Mr. At-Least-I-Thought-Of-It-Independently. ... So as a thought experiment, let's imagine that instead of having our matter transporter actually move matter, what it moves is information. ... That will make it necessary to move the matter to move consciousness. ...
RGS small window mode A.M.T. Pollock & M. Diaz Trigo on behalf of the RGS IDT 11 June 2010 1 The brightest X-ray sources in mo dern astrophysics While rapid advances in detector and mirror technology have allowed X-rays to be observed from fainter and fainter sources probing, for example, the early Universe or the far reaches of luminosity distributions, there are significant scientific problems that can only feasibly be addressed by using the brightest X-ray sources. ... Pile-up occurs for n 2. ...
... Planet Peril in Prague: What Happened To Pluto . Dr. Owen Gingerich, Harvard University . ... This month’s meeting will feature Dr. Owen Gingerich, Professor Emeritus of Astronomy and of the History of Science, at Harvard University and a senior astronomer emeritus at the Harvard-Smithsonian Astrophysical Observatory. This past summer, Professor Gingerich chaired the International Astronomical Union’s planet definition committee. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
marked with yelow asterisk are sites that have links to the VSM . Russian/Soviet Cosmonautics History . interesting site (Russian language only) and ABSOLUTELY STUNNING photos! Russian mirror of Mars Pathfinder site . Space Technology Images . big collection of photos and drawings including some rare and exotic . ... excellent site of spaceflight history . ... Astronomy 105 . ... Some interesting things plus a brilliant collection of astronomy and space links. Space Frontier . ...
... Oscillations of a Typical Fork Mounted Telescope. As well it should be, the issue of vibration or oscillation of a fork mounted telescope is of high interest to users of LX200 type telescopes. ... All telescopes and their mounts, consisting of forks, rods, bearings, tubes, shafts, masses and the like can be thought of as mechanical systems that are basically masses and rods which have compliance connected in some fairly complex configuration. ... This mass moves on the declination bearings. ...
Moving Spectrograph #1 and #2: March 25, 1999 . ... The plan is to move #1 to the telescope and conduct a preliminary fitting. The CCD cameras are positioned on the lab bench for future installation. ... Our slaves for the day are (l-r) Jon Brinkmann/APO, French Leger/FNL, Slim Baxter/APO, Jon Davis/APO, and Steve Bastian/FNL, who are preparing the lifting straps on #1. ... Steve Bastian prepares the spectrograph cart to move the instrument to the rotator. ...
... A Chemically Decoupled Nucleus and Inner Polar Ring of the SBb Galaxy NGC 4548 O. K. Sil'chenko* Sternberg Astronomical Institute, Universitetskii pr. ... This nucleus, a probable circumnuclear disk coplanar with the global galactic disk, is embedded in the bulge whose stars are generally also young, T 4 Gyr, although they are a factor of 2.5 more metalpoor. ... O. K. Sil'chenko, Pis'ma Astron. ... It remains to assume that the gas at the center of NGC 4548 rotates in an inclined plane. ...
... Beam from Telescope M2, at edge of FOV Window З Baffle Cryostat Telescope M1 M1 Cell region Lens Barrel G10 truss Cold Bench Sensor Mount flange Cable wrap region Warm electronics FPA Filter wheel `Services bundle' Figure 1: General view of the VISTA infrared camera layout The specification on the net imaging performance of the system is for point spread function of width compatible with the detectors pixel size (0.34ДД) over this wide FOV and over wavelength range 1.0 to 2.35um. ...