... In the Center of the Omega Nebula . ... Credit: ACS Science Engineering Team , Explanation: In the depths of the dark clouds of dust and molecular gas known as the Omega Nebula , stars continue to form. ... The dark dust filaments that lace the center of Omega Nebula were created in the atmospheres of cool giant stars and in the debris from supernova explosions . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: Omega nebula - Hubble space telescope - M17 . ...

... 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 | ...

... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...

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... Table files like the ones created in the section on imcnts can be displayed, printed and manipulated using the tasks contained in the stsdas.ttools package. ... sp> tables # Load the relevant package ta> tprint rp90_cnt prpar=yes # .tab extension assumed # the hidden parameter prpar is set to display the header # as well as the data ta> tprint rp90_cnt # Displays only the data info ta> tprint rp90_cnt prdata- prpar+ # Displays only the header info ta> tprint rp90_cnt prparam=yes | ...

... Its companion is a hot, white dwarf, a stellar zombie of a burned-out star. ... Image and illustration files are available on the Internet at: http :// oposite.stsci.edu / pubinfo /pr/ 1999 /32 or via links in http :// oposite.stsci.edu / pubinfo /latest.html and http :// oposite.stsci.edu / pubinfo /pictures.html Higher resolution digital versions (300 dpi JPEG and TIFF) are available at: http :// oposite.stsci.edu / pubinfo /pr/ 1999 /32/pr-photos.html http :// oposite.stsci.edu / pubinfo /pr...

... Our Galaxy . ... Stars . ... Space Flight . ... NGC 2841: a spiral galaxy some 46 million light years away. ... It is especially hard to explain this process of star birth in some spiral galaxies. ... Targets include both star clusters and galaxies, and star formation rates seen range from the starburst galaxy M82 (the Cigar Galaxy) which is creating about ten new stars in its core alone every year to the much less fecund star producer NGC 2841. ... Tweets that mention Baby stars of NGC 2841 | ...

... Pre-university education . ... Samara region . SSAU History . SSAU roadmap . ... Scientists of Samara State Aerospace University (SSAU) develop a unique 3D-printer for chocolate confectionery printing. 3D-printer for chocolate printing is being created in SSAU Centre for Robotic Complexes and Mechatronic Systems. ... Know-how of the scientists of Samara State Aerospace University in that they were developed unparalleled chocolate delivery and cooling systems in 3D-printer. ...

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. To remove a directory that is a symbolic link that points to another directory use the command: rm directory_name . Notice that the directory does not need to be empty and you do not have to use the rmdir command. You are not really removing a directory, just a named symbolic link that points to the "real" directory.

... This image shows clearly the 3-D structure of this star formation region: a large cavity, created by the radiation pressure from new-born stars located in the brightest area of the image, lies within a huge cloud of dust and gas. Identified as a truly indepedent star cluster, NGC 1980 is associated with this well-studied star formation region, around the brightest star seen at the bottom of this image, Iota Ori. ...

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... Stars are born in big clouds of gas and dust in the Universe. ... This amazing new picture shows a small part of a cloud in our own galaxy (called the Milky Way) in which stars are being formed. In the picture you can see bright arc shapes in the cloud, but what created them is a mystery. ... When all of their fuel is gone, these massive stars explode in what is called a supernova explosion the biggest firework display in the Universe! ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

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). ...

... If the parameter withinputlist is set to ``true'', the reconstruction and/or background image will be created using source parameters from an input source list. ... Use parameters makerecon and savebkgrnd to specify which of the output images you want to create. Only sources originally detected at scales up to maxscale will be used for to calculate the images. The value of maxscale will also control the scale of the kernel used to filter the background image. ...

The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... That produces an extra resistance to the flow of current. ...

... STScI-PRC95-45a CRUCIBLE OF CREATION: PANORAMIC HUBBLE MOSAIC ZOOMS IN ON MAELSTROM OF STAR BIRTH This spectacular color panorama of the center the Orion nebula is one of the largest pictures ever assembled from individual images taken with NASA's Hubble Space Telescope. ... Though this 2.5 light-years wide view is still a small portion of the entire nebula, it includes almost all of the light from the bright glowing clouds of gas and a star cluster associated with the nebula. ...

... The main field of my investigations is stellar spectrophotometry. As a result of scientific activity of our group spectrophotometric catalog was created including energy distribution data on 900 stars in the range 3200-7600AA and 250 stars in the range 6000-10800AA (Voloshina et al., Spectrophotometry of Bright Stars, ed. I.N.Glushneva, 1982, Moscow, Nauka, in Russian). ...

... Crescent Nebula . ... Above the Crescent are the Lynd's Bright Nebulae LBN 215, to the right is the filamentary LBN 208 and below is LBN 193. Hubble Palette, 5 nm Narrowband filters, S-II (Red Channel): H-alpha (Green Channel): O-III (Blue Channel) - 30: 55: 40 minutes, 5 minute subframe, binned 1x1, Total= 125 minutes, Takahashi Epsilon-180, SBIG STL-6303E CCD camera, ATMoB Clubhouse, Westford, MA, 13 August 2010. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...