... 2007 January 16 . Kepler's Supernova Remnant in X-Rays . Credit: NASA / CXC / NCSU / S. Reynolds et al. ... Some type of star exploded to create the unusually shaped nebula known as Kepler's supernova remnant , but which type? ... Armed with a modern understanding of stellar evolution, early 21st century astronomers continue to explore the expanding debris cloud, but can now use orbiting space telescopes to survey Kepler's supernova remnant (SNR) across the spectrum . ... About APOD | ...

... Unknown Dark Material on Mercury . ... Credit: MESSENGER , NASA , JHU APL , CIW Explanation: What is that strange material on Mercury? ... Pictured above on the lower right, a large crater -- about 100 kilometers across -- has unusual dark material of unknown composition near its center. ... One origin hypothesis is that the dark material was uncovered from beneath Mercury's surface during the impact that created the surrounding crater. ... Publications with keywords: Mercury - Messenger . ...

... The blue bubble is a planetary nebula known as Abell 33. Planetary nebulae are created when an aging star blows away its outer layers of gas in a gigantic cosmic bubble. ... Creating the illusion of the cosmic diamond is a bright star along the rim of the nebula. ... The star is about 700 light years away, that is halfway between Earth and the nebula. ... At the centre of the ring, you can see the remains of the star that created this planetary nebula, now a white dwarf . ...

Альтернативный форум . Scientific.ru Все форумы . ... Re: Astronomers Create 3D Map of Dark Matter Space.com 07 January 2007 01:37 pm ET . x203a; x203a; x203a; в ответ на: Astronomers Create 3D Map of Dark Matter Space.com 07 January 2007 01:37 pm ET Abramyan G.L. : An alternative theory . ... Astronomers Create 3D Map of Dark Matter Space.com 07 January 2007 01:37 pm ET Abramyan G.L., 10.01.2007 01:10 . ... Re: Прочел и привожу текст, меня вомутивший. Анатолий Рыков, 11.01.2007 08:53 . ...

... A data set contains a science frame, all its associated raw calibration frames and the master calibration frames created by combining and processing the raw calibration frames. ... Either one creates a MIDAS catalogue which contains the names of all single calibration frames to be combined in to the master frame, or, in the case of pipe line reduction, one use the Association Table. ... The names of single calibration frames are however also available in the Association Table. ...

... List of SAS threads . This thread contains a (very!) simple standard XSPEC session for fitting data from the X-ray cameras. ... Start XSPEC . ... Load spectrum data: . ... response 1 PN.rmf . ... plot data . Fig.1: XSPEC data plot . Ignore bad channels in data: . ... The latter, the maximum number of channels to bu summed. plot data with model adjustment and e.g. the residuals (alternatives, ratio data/model, absolute chi-squared, etc) . ... Fig.2: XSPEC data, model and residual plot . ...

... Scientists of Samara State Aerospace University (SSAU) have created an unique mobile platform for the production of training and gaming simulators. ... Such mobile platforms also known as the Stewart platforms became widespread in the world primarily as simulators for training of highly-qualified military pilots and drivers. ... For example, the Rocket and Space Centre Progress is going to test level sensors for residual fuel in the fuel tanks of the rocket carrier on this mobile platform. ...

The File System . This section describes how you can create new files, copy existing files, and delete obsolete files. ... RENAME to change the name of a file. ... Files can be created in several ways: text can be entered from the keyboard via the CREATE command, an editor can create a file, as can a running program, and files can be copied from other directories. ... To delete obsolete files, use the DELETE command followed by a file name or file name template (wildcards). ...