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. ...

... You are here: start €Ё difx €Ё d201countdown . ... difx:d201countdown . ... mpifxcorr: fix zoom band autocorrelations . vex2difx: reconsider defaults for tone extraction . ... difx2fits: weed out clearly bad mpifxcorr-generated Tsys data . ... mpifxcorr (nativemk5) and mk5daemon: support > 1024 scans in module directory . ... Bug Fixes . ... numerous fixes for zoom bands (mpifxcorr, vex2difx, difxio, difx2fits) . ... Please file bug reports and feature requests through the ATNF trac system . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Rockets . ... 10- Rocket Light Shade . If you google rocket light shade you will get a range of different options to decorate your childБЂ™s room. б The one I spotted was a light shade which featured two tiers with planets and rocket designs on it.б  It would make a really cool addition to any space-themed room. б  . ... 8- Personalised Space Book . ... 7- Rocket pop-up tent . ... 3- Space Centre Lego set . ...

... Tonight's Sky . ... Observing . ... Back Issues . ... Sky this Month . ... space flight . ... space physics . ... Astronomy for Kids . ... Sky Events . ... Observing springtime deep-sky objects with a large telescope . ... U.S. spaceport back in business . The space shuttle Discovery launches successfully. ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Two sad deaths, Ursids, Solstice, IAA New Year Party . Issued 2008 December 16th . Lecture, Schools competition, APOD, Geminids, Leonids 2009 . ... Lecture, ISS + Space Shuttle . ... IAA Telescope event, possible Leonid outburst, Robinson Lecture . ... IAA Lecture, Taikonauts, WSP, ISS + ATV, Astrocast, ASGI, Star Stories, RIA . ... Prof Smartt: Inaugural Lecture, Galway lecture, IAA AGM, Mercury, research posts . ... IAA Astronomy Evening, Lecture, ATV Shuttle Launches . ...

... I/O modules: TTI modules that do analog/digital i/o for the 3 locations: cpu,dome,hvps . ... Filament timer . ... Body current . ... There is a hardware filament timer in the dome. ... It is sent to the dome on TTI_10 pin 06. ... If filset=1 then the computer filament timer done is sent to the dome on ttiDO(10,bit6). ... If you are running and then the hv goes off and you have to wait for the filament timer, then the system must have lost one of the proofs for the filament current of Voltage. ...

April Draft 8, Version 2004 A Quick Start Guide To The Double Imaging Sp ectrograph (DIS) John C. Barentine Apache Point Observatory jcb@apo.nmsu.edu 1. ... We need to know several pieces of information from you: 1) Requested grating set 2) Wavelength centers of requested gratings 3) CCD binning or windowing April Draft 8, Version 2004 ­2­ 4) Slit choice 5) Any additional setup information (nonstandard slit and/or filter requests) Gratings are the cause of most confusion with novice DIS users. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La Nasa programme un vol de navette suppl†йmentaire . ... La navette Atlantis devrait effectuer un ultime vol dans l'espace †а partir du 28 juin 2011. ... Mais depuis, l'id†йe d'un vol suppl†йmentaire a fait son chemin †а l'agence spatiale am...

Home About Meade Product Information Dealer Locator Customer Support Investor Relations Dealer Support Employment Opportunities Site Map . Meade Instruments Corporation . ... Meade Pictor XT-Series CCD Autoguider/Imagers . ... Meade model number . ... Connect the camera . ... Screw the guiding or imaging barrel into the front of the Pictor XT. ... You can enter log information by selecting Image, then Information. ... Copyright 2006 Meade Instruments Corporation, All Rights Reserved. ...

New Millennium Is When? Articles | ... Calendar | ... Astronomy Net . ... E xcitement is building for the first day of the new millennium which begins on January 1, 2001, especially as we watch the digits roll over from 19 to 20 on January 1, 2000. M any people might wonder why the first day of the next millennium is January 1, 2001, not January 1, 2000. ... Because of the missing year zero, the second Millennium includes the year 2000 just like the first decade includes the year 10.. ...

. This is a new popup window - close it when you are done . Submitted by Eileen Myers on 04/14/2014 23:37:58 . OPT staff dressed up this year as the Beatles at NEAF 2014 . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

... One thing I did do was to give a star party at my church as a fundraiser. ... Amateur Astronomers Association of Princeton Space Shuttle Discovery Blasts off On Final Flight In a truly dramatic finale to her very last launch, Space Shuttle Discovery blasted off to space at 4:53 p.m., Thursday, Feb. 24, with just two seconds to spare after an unexpected last minute computer glitch with Air Force tracking computers threatened to delay the liftoff yet again despite otherwise perfect launch conditions. ...