... 1, Garching, D-85748, Germany (adorf@mpe.mpg.de) . ... Narsipur S. Amarnath, Department of Astronomy, University of Maryland, College Park, MD 20742, U.S.A. (amar@astro.umd.edu) . ... Carla Avelans, European Southern Observatory, Karl-Schwarzschild-Str.2, Garching, D-85748, Germany (cavelans@eso.org) . ... Sanjay Bhatnagar, National Radio Astronomy Observatory, USA, P.O. Box 'O', 1003 Lopezville Road, Socorro, New Mexico 87801, U.S.A. (sbhatnag@aoc.nrao.edu) . ... France (debray@obs-besancon.fr) . ...

... This is a personal project collecting and documenting early images of Harvard College Observatory, focusing on the site at Observatory Hill (previously Summer House Hill). ... This list of references is long in part because each web-based image source is viewed as a separate reference, even though half or more come from Harvard Libraries, through their Visual Information Access (VIA) . ... History of the Harvard College Observatory During the Period 1840-1890. 1890. baker90 . ... The Harvard Crimson...

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... The chances of the Earth being hit by a comet from beyond Pluto ? А la Armageddon ? are much lower than previously thought, according to new research by an ANU astronomer. ... I calculate that small comets, capable of destroying a city, only hit the Earth once every 40 million years or so,? Dr Francis said. ... But asteroids and short-period comets come past again and again, so if we?re clever enough we can find them all and predict which, if any, will hit the Earth,? said Dr Francis. ...

Visitor Information and Housing Request . Please note: APO accommodations are not available to the public . Read this page carefully, and please submit this form 30-working days in advance of your arrival. ... When on-site accommodations are full, APO will assist you in obtaining off-site housing. ... To cancel an existing reservation, enter the name and arrival date and choose "cancel." ... Complete the name and arrival date in the fill-in form and select Cancel . ... Room #1/Dorm A . ...

... In 1945 Miller (having lost his night vision) gave the telescope to UofL as per Charles Strull's suggestion. ... LAS members James Burke, Stanley Thorpe, Lewis Aker, Charles Bruce and Richard Holzbog initially worked with Dr. Moore on the mirror. ... On the observatory: Dr. Moore and the LAS entered into a formal verbal agreement that the telescope could be put on his property on Star Lane but Dr. Moore could order it be moved and the LAS could move it at any time. ...

... Does it have to be a constant-flux source? ... Source added during later "Forum" discussion. ... The various missions represented at the discussion identified their usage of these sources as follows: XMM : RXJ1856 1E0102 Crab N132D GD153 Chandra : RXJ1856 1E0102 CAS A G21.5 Suzaku : RXJ1856 1E0102 CAS A Crab RXTE : CAS A Crab Swift : RXJ1856 1E0102 CAS A Crab INTEGRAL : CAS A Crab LABORATORY ABSOLUTE STANDARDS ------------------------------- Considering the resort, in other...