The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

All stars derive their energy through the thermonuclear fusion of light elements in to heavy elements. High temperatures are required so that the mutual electrostatic repulsion of the protons in each fusing atomic nucleus is overcome. ... Elements with more protons in their nuclei require higher temperatures. ... This sequence is now shown in the animation below. ... First Step of the Proton-Proton Chain Narration . Second Step of the Proton-Proton Chain Narration . ...

Next: Polarization efficiency: size/shape/orientation effects Up: Optical properties of cosmic Previous: The 2175? feature . To model the interstellar polarization one needs to calculate the forward-transmitted radiation for an ensemble of non-spherical aligned dust grains. ... Let non-polarized stellar radiation passes through a dusty cloud with a homogeneous magnetic field. ... The angle between the line of sight and the magnetic field is ( ). ... where the angle is connected with and ( ). ...

... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...

. A distribution list is very useful where a group of users need to communicate amongst themselves on a regular basis. Each list is given a name just like any other user. By addressing a message to the list name, the sender can be sure that everyone will receive a copy. You cannot set up a distribution list yourself. Ask your system administrator to set one up for you.

. Russian Version [MS-Win] . [ News ] . [ Satellite data ] . [ SMIS ] . [ ] . IBM PC compatible personal computer with the following minimal required technical features: . CPU: 80386 and higher . not less than 4 MBytes memory . not less than 100 MBytes hard drive . at least Super VGA (256 colors) video system . The interface card complies with ISA standards and can be plugged into any IBM-compatible personal computer. Back to SMIS Home Page .

... This information is used by rochesterastronomy for the operation of the service, to maintain quality of the service, and to provide general statistics regarding use of the rochesterastronomy Web site. ... The rochesterastronomy Web site use "cookies" to help you personalize your online experience. ... For example, if you personalize rochesterastronomy pages, or register with rochesterastronomy site or services, a cookie helps rochesterastronomy to recall your specific information on subsequent...

Flexible frame grabbing to PC over PCI bus from area & line scan cameras . ... Analog input up to 20 MHz and digital input up to 32 Mbytes/Sec. ... The LPG-132 will easily interface to virtually any analog or digital camera and provides lightning fast PCI transfers at an amazingly attractive price. The LPG-132 will interface with any camera or sensor at data rates up to 32 Mbytes/Sec. ... The LPG-132 comes in two configurations - one for analog input and the other for digital inputs. ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

Superconducting Integrated Submm Spectrometer for Laboratory Applications Specification: · Input frequency range : 200 ­ 700 GHz (covered by four exchangeable sensor modules each one covering range of about 100-150 GHz ); · Output frequency (IF) range : 1-2 GHz · Receiver noise temperature: below 500 K (direct ... The SIR chip is a superconducting integrated circuit comprising a quantum-noise-limited SIS mixer and a tunable Josephson local oscillator (LO). ...

Short-Period Comets: Origin and Terrestrial Impact Hazard . ... The model is consistent with the basic observed distributions of near-parabolic comets, short-period comets, Centaurs and high-eccentricity trans-Neptunian objects.This model requires that initial objects in the early Solar System are concentrated to the outer planetary region, and the physical lifetime of comets in the inner planetary region at the present epoch is an increasing function of initial perihelion distances. ...

... License agreement. All copyrights to Izmccd are exclusively owned by the author- Igor Izmailov. ... THE AUTHOR WILL NOT BE LIABLE FOR DATA LOSS, DAMAGES, LOSS OF PROFITS OR ANY OTHER KIND OF LOSS WHILE USING OR MISUSING THIS SOFTWARE. You may not use, copy, emulate, clone, rent, lease, sell, modify, decompile, disassemble, otherwise reverse engineer, or transfer the licensed program, or any subset of the licensed program, except as  provided for in this agreement.  ... Igor Izmailov. ...

CREW 19/20 . ... Upon completion of the course he was qualified as a mission specialist and assigned to the Space Station Branch of the Astronaut Office, where he was involved in testing of the crew interfaces for two ISS modules, software of the onboard computers and Local Area Network on ISS. ... On February 13, 2007 by NASA decision he was assigned as a flight engineer to the backup crew of Expedition 16 to the ISS (ISS-16) and then to the backup crew of Expedition 17 to the ISS (ISS-17). ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Variable Projection Tele-Extender . ... The Meade 07348 Variable Projection Tele-Extender for LX Models requires the Meade 07182 eyepiece holder and offers different focal ratios while creating eyepiece-projection photography. ...

... RS-232 Signals on an RJ11 Jack . ... 6-wire 6-position RJ11 (sometimes called RJ12) modular phone connectors are used for all RS-232 communications at Apache Point Observatory. ... hardware flow control transmit (optional) . ... There are two different names for the connectors we use: "6-wire 6-position RJ11" appears to be most common, but "RJ12" is, or was, also used. ... These are fine for most serial connections, but beware of special cases in which the outer pair (hardware flow control) is in...

... Monitoring of the development of the on-board 92-cm   receiver (R-SRT-92 cm) ongoing at the KB GORIZONT in Nizhnii Novgorod: . ... OHCFS-SRT      Space Radio Telescope On-board Heterodyne and Clock Frequency   Synthesizer set . OHFS-SRT        Space Radio Telescope On-board Hydrogen Frequency Standard . ORFS-SRT        Space Radio Telescope On-board Rubidium Frequency Standard Service Module, . ... SRT                  Space Radio Telescope (all scientific payload including 10-m dish) . ...

... SphereParams Struct Reference . ... SphereParams (const float radius) . ... Definition at line 50 of file StelGeometryBuilder.hpp . ... Definition at line 103 of file StelGeometryBuilder.hpp . ... Definition at line 120 of file StelGeometryBuilder.hpp . ... Definition at line 112 of file StelGeometryBuilder.hpp . ... Definition at line 118 of file StelGeometryBuilder.hpp . ... Definition at line 110 of file StelGeometryBuilder.hpp . ... Definition at line 114 of file StelGeometryBuilder.hpp . ...

... European Remote Sensing Satellite (ERS-1) was launched on 17 July 1991, and the follow mission ERS-2 (with the same sensors and an Ozone monitoring instrument added) was launched on 21 April 1995. ... ERS-2 has a fixed repeat cycle of 35 days, and follows ERS-1 tracks with one day's delay. ... Swath width is 102.5 km (telemetered), spatial resolution is about 25x25 m. The Advanced SAR (ASAR) instrument is carried by ESA's ENVISAT satellite launched on 1 March 2002. ... Swath . ... Spatial Resolution...

... Local Group Galaxy NGC 6822 . ... First, the galaxy's star distribution merits a formal classification of dwarf irregular, and from our vantage-point the small galaxy appears nearly rectangular. ... Quantum Gravity Claimed Detected on Earth . ... Stars Without Galaxies . ... Galaxies are made up of stars, but are all stars found within galaxies? Using the Hubble Space Telescope, researchers exploring the Virgo Cluster of galaxies have found about 600 red giant stars adrift in intergalactic space. ...