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... I normally begin by asking the class what they think would be different if the Moon didn't exist, or if the Sun were closer to Earth, or if a star exploded nearby. ... The winds would be much stronger. ... In using what-if questions in the classroom, it is worth bearing in mind that students extrapolating the effects of new scenarios will encounter two different situations: direct changes to the new version of Earth and indirect changes resulting from the direct changes. ...

... Abstract Determine whether a file exists. ... Brief_I/O VARIABLE I/O DESCRIPTION -------- --- -------------------------------------------------- fname I Name of the file in question. ... Examples The following code fragment illustrates the use of exists_c . ... Exceptions 1) If the input name is blank, the error SPICE(BLANKFILENAME) will be signalled. ... Files None. ... Version -CSPICE Version 1.1.0, 08-FEB-1998 (NJB) References to C2F_CreateStr_Sig were removed; code was cleaned up accordingly. ...

... About ATNF overview . ... CSIRO ATNF Data Archives . ... Next: Obtaining Your Final Files Up: Correlating your Data Previous: Correlating your Data б  Contents . Put in next set of tapes. Edit your schedule file on elleba and comment out the newtapes and file close commands that have just been executed and uncomment the next set of file close and newtapes commands. We now restart the correlator on the next set of data, which for example starts at 16:00:00 on all tape sets; . ...

Blackholes Forum Message . ... Good Question. ... We really don’t know what causes gravity ( mass properties ) only how it works in the present universe state. ... It may be that you have just proven your assumption is wrong and gravity/mass properties do depend on the present universe state to exist. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

dfos = Data Flow Operations System, the common tool set for DFO . That initialization file sets up a standard set of global variables which must exist for dfos to run. ... The .dfosrc file contains one part of the instrument specific (or better: account specific) information needed by dfos. ... The set of links under 'Installation' collect a set-by-step installation scenario which makes sense only if the configuration files are filled reasonably. ...

... To help answer these questions, the largest and most mysterious moon of Saturn got a quick first look from the Cassini robot spacecraft soon after entering orbit around the giant planet last week. Cassini Images Density Waves in Saturns Rings . ... The Cassini spacecraft just entering orbit around Saturn has started sending back spectacular images of Saturn's immense ring system in unprecedented detail. ... M57: The Ring Nebula . ... Cassini to Venus . ... NGC 7331: A Galaxy So Inclined . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2016 February 1 . Find the Man in the Moon . ... Explanation: Have you ever seen the Man in the Moon? ... Surprisingly, there actually is a man in this Moon image -- a close look will reveal a real person -- with a telescope -- silhouetted against the Moon . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

... Astronomy index . ... This tour, of the world of astronomy, physics and spaceflight, may just as well end with a light-hearted 1878 poem by the Czech poet Jan Neruda . ... Do Frogs Exist there Too ?" . ... Like moles they dig for learning. ... They call one foot, that's all. ... Do frogs exist there too?" ... star? jim ?ab?k u?en? . ... teprv jim loket jeden. ... Foot" as used here, in Czech "loket," actually means "cubit," the distance from elbow to stretched fingertips, about a foot and a half. ...

... This task operates on event data in an event list. ... In the first two cases, the celestial coordinates of the reference point are taken respectively as the values of the RA_NOM , DEC_NOM or RA_OBJ , DEC_OBJ values in the input event file header. ... Although the OM attitude information may be more accurate, it will not be present throughout part of the observation, and as such, the default source for the attitude data should be "ahf". ...

OptInt PmWiki : Pm Wiki / Upgrading From Pm Wiki 1 . This page gives suggestions for upgrading an existing PmWiki 1.x installation to use PmWiki 2.0. In this page we assume that a site administrator already has a site running using PmWiki version 1.x or earlier in a somewhat standard configuration, and wants to upgrade to the 2.0 software. Important note: The normal PmWiki upgrade procedure (i.e., copy the new software over the existing one) won't work for moving from 1.x to 2.0. ...

... This appartus will drop a mass from different heights. When the mass strikes the ground, some percentage of its original energy will be absorbed by the ground. ... The percentage of the energy which is absorbed by the surface on each "bounce" (EAS) . ... The impact velocity of the object will also be given at each bounce. ... Start= Drop the ball after Energy, Mass and EAS have been set; resume after step or pause has been selected . ... Reset = Reset experiment to intial values . ...

... So play the level (using the batch file provided), shoot the bad guys, and email me. ... Play Information * Episode and Level # : Doom ][ : MAP01 Single Player : Yes. ... Demos Replaced : None * Construction * Base : New level from scratch Build Time : No idea Editor(s) used : DCK 22 (despite a minor sector-join bug) and Wintex 34 (for the graphics) Known Bugs : Hate to say this, but yes, there are two places in the open areas where there are lines that don't exist in the level. ...

Next: Conclusion Up: Old neutron star distribution Previous: Results of calculations . As is seen in Fig. , the old galactic neutron stars fill a thorus-like region extended up tens kiloparsecs above the galactic plane with sharp deficiency of stars toward the galactic axis. ... Now return to the crucial question about the applicability of the ergodicity principle to the dynamicas of stars in a real galaxy. ...

... This is perhaps the most common question asked by visitors to the planetarium. ... This is known as the Drake Equation and reads as follows: N = R* fp ne fl fi fc L N is the number of communicating civilizations in the galaxy R* represents the average rate of star formation in the Milky Way Galaxy fp is the fraction of those stars that have planets around them ne is the number of planets per star that are capable of sustaining life fl is the fraction of planets in ne where life ...

. Remove a file that has hard links to it the same way as you would remove any other file: rm filename(s) . Any files that were created by making hard links to the filename will continue to exist in their own right. Removing a file to which symbolic links have been made has a different effect. Although the linkname remains, the actual file that this name points to does not. Trying to use a command on the linkname will give you the message: command : filename : No such file or directory .

Next: WCSTools: Image World Coordinate System Utilities . ... Up: FITS-Flexible Image Transport System . ... The Deep Extra-galactic Imaging Multi-Object Spectrograph (DEIMOS) under construction for Keck II will employ a detector comprised of a mosaic of eight CCDs. World coordinate system (WCS) information is needed for mapping between FITS pixels and many other systems. ... As an alternative, we store the bulk of the WCS information in a separate FITS table associated with the image HDUs. ...

Galaxy Detection within the RATS project Michael Campbell Zone of Avoidance Our solar system lies about two thirds, or 25,000 light years, away from the galactic centre of the Milky Way. ... The Galaxy Threshold Value After much trial and error it was discovered that the vast majority of object with a star class less than 0.35 were galaxies and the vast majority of objects above 0.35 were stars. I called this the Galaxy Threshold Value. ... Not every object of star class beneath 0.35 is a galaxy. ...

Full-Text Search . ... arXiv.org . astro-ph . ... SAI VO . Search sort results by Date Relevance . Use logical operators AND , OR , NOT and round brackets to construct complex queries. Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . Normalized to: Team, E. 4 article(s) in total . 7 co-authors, from 1 to 2 common article(s). Median position in authors list is 3,0 . Co-author(s): . ... Astronet | SAI MSU . ...

Summary of the research statement of Mikhail V. Bondarko Recently I proved: the weight complex functor of Gillet and Soule factors through Voevodsky motives. ... I will study eective Voevodsky motives in terms of certain Chow-weight homology obtained by applying the Chow functors (of cycles of a xed dimension modulo rational equivalence) to the terms of weight complexes. ... Dually, the Chow-weight cohomology measures a certain "dimension" of motives. ...