... GALAXY: A galaxy is made up of billions or trillions of stars bound together by their own gravity. ... HELIUM (He): The second element in the periodic table, has 2 protons, 2 neutrons, and is a noble gas. ... Helium melts at -272.2 degrees Celsius, and boils at -268.934 degrees Celsius. ... HYDROGEN (H): The first element on the periodic table, is a gas, and has an atomic mass of 1.00794 amu. ... Hydrogen melts at -259.34 degrees Celsius, and freezes at -252.87 degrees Celsius. ...

... 000, 1ґ12 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...

Surface-layer turbulence measurements with lunar scintillometer Idea of the method Hardware & software Campaigns & results New horizons Andrei Tokovinin NOAO/CTIO Kislovodsk Oct. 2010 1 Turbulence measurement from scintillation of extended sources Moon's angular diameter =0.5 deg Correlated scintillation for b > z z=10m b=0.1m z=100m b=1m z=10km b=100m BI(b) = W(b,z) Cn2(z)dz Weighting functions zW(z) for b=0...0.4m and d=1cm 2 Kislovodsk Oct. ... 2010 12 Paranal: October 14, 2008 Kislovodsk Oct. ...

Mon. Not. R. Astron. Soc. 349, 1397ґ1418 (2004) doi:10.1111/j.1365-2966.2004.07619.x The 2dF QSO Redshift Survey ґ XII. The spectroscopic catalogue and luminosity function S. M. Croom,1 R. J. Smith,2 B. J. Boyle,1 T. Shanks,3 L. Miller,4 P. J. Outram3 and N. S. Loaring4,5 1 2 3 4 5 Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead CH41 1LD Department of Physics, University of

... April 1992 The MD5 Message-Digest Algorithm Status of this Memo This memo provides information for the Internet community. ... combination): -sstring - digests string -t - runs time trial -x - runs test script filename - digests file (none) - digests standard input */ int main (argc, argv) int argc; Rivest [Page 17] RFC 1321 MD5 Message-Digest Algorithm April 1992 char *argv[]; { int i; if (argc 1) for (i = 1; i argc; i++) if (argv[i][0] == '-' argv[i][1] == 's') MDString (argv ...