... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 October 29 . Microwave Hotspots: The Oldest Structures Known . Credit: DMR , COBE , NASA . Explanation: These spots are the oldest, most distant structures known. ... A more detailed analysis might result after NASA 's Microwave Anisotropy Probe is launched in 2001. ... About APOD | ... NASA Technical Rep.: ...

... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: LHEA at NASA / GSFC . ... Publications with keywords: COBE - hotspots - cosmic microwave background radiation . Publications with words: COBE - hotspots - cosmic microwave background radiation . ... Microwave Milky Way . ... Chandra Resolves the Hard X Ray Background . ... SN1987A s Cosmic Pearls . COBE Hotspots:The Oldest Structures Known . All publications on this topic >> ...

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... 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 . ...

Next: J.E. Chambers, Research Astronomer Up: Research Previous: Research Contents . ... Solar Variability and Climate . Other Activities . ... Applied to data of flares on Gliese866 he was able to estimate the area of hydrogen emitting flare regions as 1-13% of the stellar surface. ... As partners in the project, Armagh Observatory has been asked to contribute to the selection process in exchange for priority access to the data which will eventually flow from the satellite. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 7, 1998 . COBE Hotspots: The Oldest Structures Known . ... After computer processing to remove contributions from nearby objects and the effects of the earth's motion , the map shows temperature variations in the early Universe as red "spots". These spots are the oldest, most distant structures known. ... About APOD > . ...

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Lectures . ... 100 Years of Cosmology: From Spiral Nebulae to the Cosmic Microwave Background.тАЭ ? ... Michael Way, astronomer/computer scientist at NASAтАЩs Ames Research Center and its Goddard Institute of Space Studies, will give the first