... Cyg X-1: Can Black Holes Form in the Dark? ... But researchers now suggest that the Milky Way's most famous black hole, Cygnus X-1 , was born when a massive star collapsed -- without any supernova explosion at all. ... If not a supernova, could the formation of the Cyg X-1 black hole have produced a dark gamma-ray burst in the Milky Way ? ... Publications with keywords: Cyg X-1 - black hole - supernova - gamma-ray burst . ... Black Hole Candidate Cygnus X 1 . ... M81: Feeding a Black Hole . ...

Next: Special Cases: Supernova Explosion Up: Change of Binary Parameters: Previous: Mass change . The binary separation a changes differently depending on the mass exchange mode. ... If the mass transfer is conservative ( , i.e. const) and one may neglect the redistribution of the intrinsic angular momenta of the components, the total orbital momentum conservation law implies . ... the orbital separation always increases in such systems). ...

The Face on Mars . ... The Raw Images . Table 1: List of Viking Orbiter Images of the "Face on Mars" . ... Processing the Face Images . Table 2: Dimensions of Mercator Projected Images of "The Face on Mars" . Map Projected Images . ... Processing the "Face on Mars" Images . ... This page will provide interested persons with both the raw Viking images, transformed to GIF format, and a brief tutorial (with examples) of image processing techniques applied to create "better looking" images. ...

... The Raw Images . Table 1: List of Viking Orbiter Images of the "Face on Mars" . ... Processing the Face Images . ... In July, 1976, Viking Orbiter 1 was acquiring images of the Cydonia region of Mars as part of the search for potential landing sites for Viking Lander 2. ... Using the height field, it is also possible to view the "Face" from different look directions, by mapping the Viking Orbiter image directly on the the topography and then placing the "viewer" at different locations. ... Mars . ...

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

... 2005 April 2 . Cyg X-1: Can Black Holes Form in the Dark? ... But researchers now suggest that the Milky Way's most famous black hole, Cygnus X-1 , was born when a massive star collapsed -- without any supernova explosion at all. ... In contrast, if Cyg X-1 were born in a violent supernova it would have likely received a fierce kick , changing its course. If not a supernova, could the formation of the Cyg X-1 black hole have produced a dark gamma-ray burst in the Milky Way ? ... About APOD | ...

... Tonight's Sky . ... Supernova showered Earth with radioactive debris . ... solar system . ... Observe the Solar System . Astronomy for Kids . ... Tour the Solar System . ... How would a supernova explosion near our solar system affect Earth? ... A supernova explosion might affect Earth in several ways. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Join Astronomy for America's 2017 total solar eclipse! ...

Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...

... Astronomical Observatory, Shevchenko Park, Odessa, 65014, . ... The XVI -th G. Gamow's Odessa Astronomical Summer Соnference-School, 14-20 August, 2016, Odessa, Ukraine . ... The XV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 16-23 August, 2015, Odessa, Ukraine . ... The XIV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 17-23 August, 2014, Odessa, Ukraine . ... The XIII -th G. Gamow's Odessa Astronomical Summer Соnference-School, 19-25 August, 2013, Odessa, Ukraine . ...

... B.1 New functionality . ... B.3 Semantic changes from CSS1 . ... CSS2 builds on CSS1 and all valid CSS1 style sheets are valid CSS2 style sheets. The changes between the CSS1 specification (see [CSS1] ) and this specification fall into three groups: new functionality, updated descriptions of CSS1 functionality, and changes to CSS1. ... Several internationalization features, including list numbering styles , support for bidirectional text , and support for language-sensitive quotation marks . ...

. Sitemap . Contact . Search . Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . by . Enric Pall . Big Bear Solar Observatory . A colloquium presented at Armagh Observatory on 2006 February 1st. The slides from this presentation are available in the following formats. HTML in your browser . PDF file - 14MB . Quicktime movie - 9MB . Macromedia Flash - 9.7MB . MS Powerpoint - 12MB . Last Revised: 2009 December 17th .

The turret floor sits on a set of rollers bolted to the feed tower. The rolling surface sits between the bottom of the floor and the rollers. ... The plot shows the roll of the turret floor during a turret spin (.ps) ( .pdf) from 26 to 340 degrees and back (roll is in the direction of rotation). ... If there were 6 sections of rolling surface you might expect this spacing to be 60 degrees (or some beat of the 60 degree spacing and the spacing of the fixed rollers). ...

... Posts tagged ?change point problem? ... X-ray summer school is on going. ... Tags: ARCH , Bayesian Block , challenges , change point problem , GARCH , light curves , summer school , X-ray . ... 4 Comments . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...

For Cycle 9 the Science Program Selection Office (SPSO) has changed the selection process to ensure that HST will continue to perform the best possible science with the best return for the astronomical community. This report summarizes the changes to the selection process and offers suggestions on writing an effective proposal that accounts for these changes. ... Fewer panels: With more orbits to allocate, each panel will have more flexibility, especially to approve the somewhat larger proposals. ...

. XMM-Newton Science Analysis System . sas (gui-1.52.8) [xmmsas_20080701_1801-8.0.0] . Meta Index / Home Page / Reference documentation You can alter the look and feel of the GUI by changing the used fonts or using a different style for the buttons, menus etc... Subsections . Supported styles . Supported fonts . XMM-Newton SOC/SSC -- 2008-07-01

OptInt PmWiki : Pm Wiki / Changes From Pm Wiki 1 . This page is intended to describe features of PmWiki 1.0 that have been changed or eliminated in PmWiki 2.0. ... ThisGroup:SideBar&action=edit Edit menu]] . ... action=post no longer exists -- posting a new page is now performed by using ?action=edit with the post control set to a true value. ... PmWiki's ReadPage() function no longer supplies default text for non-existent pages -- this is now decided by whatever functions need the page. ...

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . c) Changes in the Universe . ... In a universe that is not evolving, we should see as many of these hyper-active galaxy cores in each period of cosmic history. ... An Ancient Universe - Table of Contents . ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

... A uv variable can change its value in any part of the uv variable stream. So it can change its value after each call to uvread , uvnext or uvscan . The uv routines which need to know if a uv variable has changed ( uvprobvr , uvcopyvr and uvupdated ) normally (i.e. by default) work on whether the particular variable(s) of interest has changed since the last ``mark'' in the uv stream. ... The uvmark routine provides greater control at marking the position in the stream. ...

... title=' Hartmann Bel Baby Changing Mats Впитывающие пеленки 60х60 см 10 шт. Hartmann - HartmannBel Baby Changing Mats Впитывающие пеленки 60х60 см 10 шт.' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Детские впитывающие пеленки Hartmann Bel Baby Changing Mats используются для дополнительной защиты постельного белья, обеспечивая максимальную степень впитываемости. ... Надежную защиту от протекания также обеспечивает непромокаемый внешний слой пеленки. ...

To change to using another printer for the current login session: PRINTER=ps2 . ... To change to using another editor for the current login session and inform (export) this value to other programs which use it: EDITOR=vi export EDITOR . This changes the user's default editor to vi and exports this value to other programs - such as electronic mail - which make use of it. To change to using another pager for viewing files the user adds the following lines to their .profile file. ...