... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...

Land of the Normal Textures! ... Click on a texture to see it set as the background of a sample homepage. To download a texture, click the right mouse button on it (Macs click and hold the mouse button). A little menu will pop up and from that menu select "Save this Image As" . ... Texture Land was created by . ...

... In the three intervening decades there have been many observations of this diffuse emission over a wide range of x-ray energies. ... During the 1970's researchers at the University of Wisconsin, lead by Dr. William Kraushaar, used a series of sounding rocket flights to map the diffuse x-ray emission from the sky in several bands. ... University of Wisconsin Sky Survey map of the B-band (0.13-0.188 keV) x-ray intensity. ... University of Wisconsin Sky Survey map of the 2-6 keV band x-ray intensity. ...

... To help find out, ESA launched the Planck satellite to map, in unprecedented detail, slight temperature differences on the oldest surface known -- the background sky left billions of years ago when our universe first became transparent to light. Visible in all directions, this cosmic microwave background is a complex tapestry that could only show the hot and cold patterns observed were the universe to be composed of specific types of energy that evolved in specific ways. ... The Universe Nearby . ...

... 3) Decide which scans were off-Fringe and use them to estimate the background noise. 4) For the on-Fringe scans, estimate the mean square power (per wavenumber bin), subtract the off-Fringe power, and if you have courage, take the square root. ... Some disadvantages of this procedures are: You have to have a good estimate of the off-Fringe noise power; if the nominal signal/noise in a single wavenumber bin is small: (S/N)<1 , then the S/N of the correlated flux after M samples is only (S/N)^2 (M). ...

. Shutter video (to view, right click on the link, download to your machine and use Quicktime, VLC viewer, or Windows media player) . Note: This presentation will use gotomeeting to better show the assembly of the instrument. Meeting code is: 244-576-637. Once on the gotomeeting page select "Join a Meeting" in the upper right of the page. Enter the code we will provide.

... Gooch, R.E., 1995, "Space and the Spaceball" , in Astronomical Data Analysis Software and Systems IV , ASP Conf. ... Gooch, R.E., 1995, "Visualisation: from Data to Understanding", in Workshop on Applications of Radio Science 1995 , Australian Academy of Science through the National Committee for Radio Science ISBN 1-86408-030-2 . Gooch, R.E., 1996, "Karma: a Visualisation Test-Bed" , in Astronomical Data Analysis Software and Systems V , ASP Conf. ...

... Research School of Astronomy and Astrophysics ( RSAA ) . Research School of Earth Sciences ( RSES ) ( Earth Chemistry ) . Australian National University ( ANU ) . Research . ... Media ( Media coverage of research and appearances in the media, downloadable .pdf, .mp3 and .flv files) . email: charley@mso.anu.edu.au . Dr Charley Lineweaver . ... Research School of Astronomy and Astrophysics . ... Research School of Earth Sciences . ... Back to the Astrophysics & Optics homepage. ...

... Observing . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy 101 . ... Astronomy 101: Cosmic microwave background . ... The microwave sky as it looked with 1965 technology // NASA/WMAP Science Team Two scientists, Arno Penzias and Robert Wilson, discovered the cosmic microwave background in the mid-1960s whileТљ testing a large radio antenna for Bell Laboratories. ... If you are already registered on Astronomy.com, please log in below...