... Secondary Baffle . ... The outside diameter of the tip of ring 5 (the secondary baffle tip) was 1285.7 mm with a range of 0.8 mm p-v. The specifications were 1284.6 and 7.6 mm respectively. ... The outside diameter of the base of ring 5 was 1273.4 mm with a range of 2.0 mm p-v. The specifications were 1272.1 and 8.1 mm respectively. ... The inside diameter of the tip of ring 19 (the primary baffle tip) was 857.7 mm with a range of 0.8 mm p-v. The specifications were 858.0 and 8.6 mm respectively. ...

... Operations of the Hubble Space Telescope (HST) require the creation of stable and efficient observation schedules in an environment where inputs to the plan can change daily. ... The long term scheduler, the main focus of this paper, provides approximate 4-8 week plan windows for observations. ... The long term scheduler as implemented within the Spike software system provides support for achieving stable observations schedules. ...

... favourite school! ... Relying on our good willed highly skilled teachers, the school is formed with the spirit of co-operation and joint creativity, the co-operation of classes that create a unique atmosphere of unity. ... The ability to act independently: defend ones rights, interests, show responsibility, to plan and organize ones plans, independently acquire . The ability to work with different types of information and to use it for expanding ones knowledge, . ...

... How much energy is there in a 20 mph wind? . 20 mph wind =10 m/s .0006 * 10 3 = .0006 * 1000 = .6 KILO watts per square meter . ... In your back yard the average wind speed is 10 mph which yields 100 watts per square meter. ... 4 3 = 64 if a 10 mph wind gives you 100 watts per square meter then a 40 mph wind gives you 64 times more power per square meter 6400 watts per square meter . total power = 6400 watts per square meter * 2 square meters = 12800 watts = 12.8 Kilowatts this is a lot! ...

... Operations of the Hubble Space Telescope (HST) require the creation of stable and efficient observation schedules in an environment where inputs to the plan can change daily. ... A process and software architecture is presented which achieves stable and efficient observation schedules by dividing the task into long term and short term components. ... However, the resulting long range plan would be unstable as unscheduled observations in a week bin would have to be rescheduled. ...

... The collecting area is increased by nesting concentric mirror pairs, all having the same focal length. ... Figure shows the largest optical element being ground at HDOS. ... X-ray testing demonstrated that the CXO mirrors are indeed the largest high-resolution X-ray optics ever made; the nominal effective area (based on the ground calibrations) is shown as a function of energy in the left panel of Figure , along with those of their Einstein and ROSAT predecessors. ...

... John Herschel Glenn, Jr. ... Glenn also holds the Navy Unit Commendation for service in Korea, the Asiatic-Pacific Campaign Medal, the American Campaign Medal, the World War II Victory Medal, the China Service Medal, the National Defense Service Medal, the Korean Service Medal, the United Nations Service Medal, the Korean Presidential Unit Citation, the Navy's Astronaut Wings, the Marine Corps' Astronaut Medal, the NASA Distinguished Service Medal, and the Congressional Space Medal of Honor. ...

... December 10, 1998 . Assembling The International Space Station . Credit: STS-88 Mission , NASA . Explanation: Batteries and solar panels were included with this version of the International Space Station (ISS) but some assembly is still required . ... Now orbiting planet Earth at an altitude of about 248 miles, Endeavour and the ISS are reported to be in excellent shape and crew members plan to enter the new space station today. ... About APOD > . ... NASA Technical Rep.: ...

... Assembling The International Space Station . ... Credit: STS-88 Mission , NASA Explanation: Batteries and solar panels were included with this version of the International Space Station (ISS) but some assembly is still required . ... Публикации с ключевыми словами: international space station - astronaut - космическая станция - космическая станция Мир - Эндевор . Публикации со словами: international space station - astronaut - космическая станция - космическая станция Мир - Эндевор . ...

... For SIMS (Secondary Ion Mass Spectrometry) analysis, a solid surface is bombarded by primary ions of some keV energy. ... The subsequent mass analysis of the emitted ions provides detailed information on the elemental and molecular composition of the surface. ... Extremely short ion pulses with a duration below . ... By rastering a fine-focussed ion beam over the surface, like an electron beam in an electron microprobe, mass resolved secondary ion images (chemical maps) can be obtained...

... The following results were achieved in the course of S.P.Korolev RSC Energia's launch vehicle development efforts: . ... Two-stage intercontinental ballistic missiles R-7 and R-9, three-stage Vostok launch vehicle (consisting of R-7 and upper stage Block E as a third stage) for missions to the Moon, and four-stage Molniya launch vehicle for launching payloads to Venus and Mars (consisting of R-7 and upper stages Block I and Block L) were developed; . ... Official WEB-site of S.P.Korolev RSC Energia ...

. home . product . gallery . contact .

... In this section, we develop a physical model of the secondary as a disk that is centrifugally supported in the radial direction and hydrostatically supported in the vertical direction. We assume that the disk is vertically isothermal and well mixed. ... where is the mean molecular mass of the gas, is the orbital period at the outer edge of the disk in years, and all of the mass of the secondary has been assumed to be concentrated near its center, so the Keplerian approximation is valid. ...

... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Facilities . ... Australia Telescope Compact Array . ... Australia Telescope Online Archive (ATOA) . ... ASKAP Home . ... The Mk II PAFs installed on ASKAP Antennas 4, 5 and 12 were used to observe the radio galaxy Virgo A, some 50 million years away. Fringes were achieved on the three baselines between these antennas, followed soon after by phase closure. ...

Electron Bombarded, Back-Illuminated CCD Sensors . ... EBCCD PERFORMANCE: EBS Gain . ... To the first order, the signal gain in the EBCCD is proportional to the kinetic energy of the photoelectrons prior to their impinging on the CCD back surface. ... To obtain EBS gain in the active material, it is necessary for the photoelectron to enter the pixel from the back surface of the CCD -- away from the gate structures that dissipate the electron energy. ... The EBCCD EBS gain was tested using two methods. ...

RATAN-600 radio telescope . ... In the "radio-Shmidt telescope" mode the antenna system the South sector of the main mirror with the flat mirror ("South+Flat") of the RATAN-600 radio telescope is used. ... The antenna system the South sector with the flat mirror. ... The flat and circular mirrors of the RATAN-600 form the basis of the system. ... In the case of antenna system "South+Flat" the planoid is flat mirror, the circular reflector of RATAN-600 is the second mirror. ...

... V i g n e tti n g 1.49 keV 4.51 keV 8.04 keV · Crab at five off-axis angles: 0', ±3.5', ±7.0' · Crab: =2.10, A=9.7 ph/cm2/s/keV at 1keV (Toor & Seward 1974), NH = 3в1021cm-2 · Ray-Tracing simulator reproduces the data within 8%. ... Within a radius of 1.3 arcmin from the detector center. ... In - fl i g h t c a l i b r a ti o n s u m m a r y · PSF/EEF ­ HPD: 1.8 ­ 2.3 arcmin ­ Well reproduced by the ray-tracing simulator · Optical axis: ­ Scattering of 4XRTs are <1.3 arcmin from the detector center....

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

... While "First Light" was achieved at the second 8.2-m VLT Unit Telescope (UT2) ahead of schedule, UT1 produced its sharpest image so far. ... It had long been ESO's intention to provide "real" names to the four VLT Unit Telescopes, to replace the current, somewhat dry and technical designations as UT1 to UT4. ... The participants were left with the impression of mounting expectations, just four weeks before the first VLT Unit Telescope, Antu (UT1), will receive the first visiting astronomers. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...