The above process keeps the # of protons and the # of neutrons in the early Universe constant. ... Remember, a free neutron (one that is not bound in an atomic nucleus) will decay into a proton + electron (+ anti-neutrino) in about 900 seconds. AT t=0.01 seconds, none of the neutrons have decayed. ... During this epoch, the proton-to-neutron ratio is 1.0 . Epoch #2: . ... Now we have 62% protons and 38% neutrons where at 0.01 seconds we had 50% protons and 50% neutrons. ...

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). ...

Blackholes Forum Message . ... Can Black Holes Create Space Time? ... Quasar jet streams (QJS) have been exhibiting Faster than light motion since they were first discovered by radio astronomy a long time ago. ... But what if Black holes were creating Space time, what if a relationship between matter energy and space time exists, in a conundrum what can matter exist in, it can exist in side of it's self, how about this as a hypothesis, can black holes create space time? ... www.astronomy.net . ...

... 2001 April 25 . Space Laser Creates Artificial Star . ... So rather than try to eradicate existing stars with a laser, these astronomers create an artificial star of their own right where they need it -- with a laser . Subsequent observations of the artificial laser guide star can reveal information so detailed about the blurring effects of the Earth's atmosphere that much of this blurring can be removed by rapidly flexing the mirror. ... About APOD | ...

... Conjunction Over Armagh . ... Comet and Pleiades . ... Pleiades . ... Antares Region . Helix and Cat's Eye Nebulae . Orion Nebula . Lagoon and Eagle Nebulae . Crab Nebula . ... Our Galaxy Core . Andromeda Galaxy . Wide-field and Zoomed-in Galaxies . Interacting Typhoons and Galaxies . Spiral Galaxy M106 . Sombrero Galaxy . Whirlpool Galaxy . Colliding Galaxies . ... й Miruna Popescu, Armagh Observatory ...

... Visual Effects: Wonders of the Universe . ... Music Score: Timo Baker Explanation: What visual effects are depicted in this video? The effects were created by BDH for the BBC television show Wonders of the Universe , but are unlabeled on the above version posted to Vimeo . ... Past that, the entire computer animated video seems to sparkle with unknown stars, unknown planets, and sequences where unknown gas is flowing toward unknown places. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

Program: CREATE Purpose: Creates a SET (and subsets) Category: UTILITY File: create.shl Author: K.G. Begeman Keywords: OUTSET= Name of set to create. ... N] This keyword is asked only when the set you want to create already exists. ... This item will be put in the header and will determine the coordinate system CTYPE1= Enter axis name of first axis [stop axis input] For the n_th axis the keyword will be CTYPEn=, like all the following keywords NAXIS1= Size of axis in grids. ...

. 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.

... But there also exists a practical angle: in a world increasingly dependent on electricity and electronics, the "space weather" outside the atmosphere can have serious effects, in particular on human communications. Currently more than 200 communication satellites circle the Earth in synchronous orbit . ... For a view of NOAA's "space weather report," click here ; another such report, from the University of Michigan, is linked here . ... Another such event occured April 7-11, 1997 . ...

... The task rgssources can either modify a previously-created source list or create a new one, depending on the value of the parameter filemode . If filemode =`create', the name of the newly created file is read from parameter srclist . If on the other hand filemode =`modify', the name of the existing file to be edited must instead be supplied to srclist . ... If filemode =`create', the name of the RGS instrument must be supplied via the parameter instexpid . ...

OptInt PmWiki : Pm Wiki / Creating New Pages . ... Links > . ... The first step to create a new page, you need to edit an existing page, and on it add a link to the page you want to create. To link to your new page, you must choose a name for it. ... Typing [[my new page]] will create a link to my new page ? ... PmWiki will then dutifully tell you that the page you entered doesn't exist, but you can click on the "Edit" link in order to create, edit, and save the new page. ...

... 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 | ...

Sponsors of Views of the Solar System . ... Unlike many of the sites on the Web, Views has been created from a budget of $0.00 and from the assistance from many individuals in the world who have made some significant contributions of time. ... A. Tayfun Oner has contributed a significant amount of time in producing images, mosaics, and animations. ... I am looking for a photo lab that would be interested in producing prints and slides of the Views of the Solar System images. ... Tape backup system. ...

... 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. ...

... 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 | ...

Armed with these assumptions, observations, and laws, cosmologists try to build a theory of the development, or evolution, of the universe. ... Over the past 70 years, they have constructed and tested a theory that seems to explain the major properties of the universe: the Big Bang theory. ... This is an important point: The Big Bang theory allows for many different scenarios of the detailed evolution and composition of the universe. ... Because of a theory called nucleosynthesis. ...

... This tool creates a set of virtual calibrations (vcalibs). It is thought to be used in case an existing set of virtual calibrations got lost, is required, and would be difficult or time-consuming to be created in the standard way (by subsequent creation of ABs). ... The user specifies a starting date, from where the tool counts a number of dates backwards (either by reading N_VCAL_LIST in config.createAB, or by specifying a command line parameter). ... for a specified, non-standard number of days. ...

NAME htdigest - Create and update user authentication files SYNOPSIS htdigest [ - c ] passwdfile realm username DESCRIPTION htdigest is used to create and update the flat-files used to store usernames, realm and password for digest authentica- tion of HTTP users. Resources available from the httpd Apache web server can be restricted to just the users listed in the files created by htdigest. This manual page only lists the command line arguments. ... OPTIONS -c Create the passwdfile . ...

Next: FIT/ROMAFOT Up: The Automatic Path Previous: SEARCH/ROMAFOT . ... This command groups the objects automatically. ... To group remaining objects, one can execute the command once more with the same catalogue and intermediate table, but with an increased maximum number of objects per window and a reduced AR (in the sense just explained). ... The user is trying to group noise peaks. ... After having grouped the objects, the user tries to fit the subframes by executing the command FIT/ROMAFOT . ...

Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries . Two different types of stellar BH formation exist: (1) direct core collapse   of a massive star and (2) AIC of a NS. A BH of the first type presumably will have a mass comparable to that of the collapsing star and can be born both from a single star and in a binary system. ... Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries Mike E. Prokhorov . ...