... Where do the most massive stars form? Observational evidence indicates that the outskirts of developing open clusters of stars are primary locations. ... Visible in the image center are massive stars in the open cluster. ... The Horsehead Nebula . ... Also known as Barnard 33, the unusual shape was first discovered on a photographic plate in the late 1800s. Ganymede: Torn Comet Crater Chain . ... The South Pole of Mars . ... Stars, like bees, swarm around the center of bright globular cluster M15. ...

... STEPS OF ISS ASSEMBLY . ... STEPS OF THE ISS ASSEMBLY All flights 09/30/2009 - up to now 11/15/2008 - 09/30/2009 10/23/2007 - 10/24/2008 12/10/2006 - 10/21/2007 02/28/2005 - 10/26/2006 02/28/2005 - 09/08/2005 04/19/2004 - 02/27/2005 04/26/2003 - 05/24/2004 09/25/2002 - 02/04/2003 04/25/2002 - 09/24/2002 11/26/2001 - 04/15/2002 06/12/2001 - 10/31/2001 02/26/2001 - 05/23/2001 10/12/2000 - 02/20/2001 08/06/2000 - 09/20/2000 07/12/2000 - 07/26/2000 11/20/1998 - 05/29/2000 . ... Station element . ...

... 2000 December 14 . International Space Station Trail . ... Despite illuminated clouds and bright light from a nearly full moon (lower left), this 5 minute time exposure easily captures the Space Station's trail as it arcs through early evening skies above Palm Beach Gardens, Florida, USA on December 9 . ... Astrophotographer Doug Murray and colleague report that both Shuttle and Space Station were visible separately and on close inspection of this image they do produce distinct, parallel arcs. ...

National Aeronautics and Space Administration . ... Carl E. Walz (Colonel, USAF, Ret.) NASA ASTRONAUT (FORMER) . ... NASA EXPERIENCE: Selected by NASA in January 1990, Walz is a veteran of four space flights, and has logged a total of 231 days in space. He was a mission specialist on STS-51 (1993), was the Orbiter flight engineer (MS-2) on STS-65 (1994), was a mission specialist on STS-79 (1996), and served 196 days in space as flight engineer (FE-1) on ISS Expedition-Four (2001-2002). ...

... A Survey for for Supernovae in Massive High-Redshift Clusters . ... An ACS Treasury Survey of the Coma cluster of galaxies . ... This proposal aims to address that question through observations of galaxy clusters with redshifts in the range 0.5 . ... The Sloan sky survey provides a powerful tool for identifying candidate galaxy-galaxy lenses; this program is using HST-ACS imaging to verify the nature of those candidates, and provide the angular resolution necessary to model the mass distribution. ...

... ESO, the European Southern Observatory . ... Member States . ... United Kingdom . Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Galaxy Clusters . ... Star Clusters . ... VLT Unit Telescopes Names . ... Properties of young massive clusters in our Galaxy and in the Large Magellanic Clouds, as well as of Super Star Clusters in star-forming galaxies. The diagram shows the mass and radius of these clusters and also the position of Westerlund 1 (indicated Wd 1). ...

... Archives . ... Going back to vlk?s comment, it is ?statistically probable? (and so natural) to see 1 keV photons in T= 10^7 K Thermal Bremsstrahlung (TB) spectra, actually more often than you might expect. ... Please, meet Ms. electron. ... Here you call it electron?s rest energy. Yeah, as if electrons rest in one place ever.б  Who remembers the electron mass is 9.1e-31 kg? Well, some freaks do.б  But almost all keV junkies know the electron mass is 511 keV. ... Chandra Blog . ...

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

Euro-Asian Astronomical Society . The International Astronomy Olympiad . ... On the basis of the present Founding Statutes the Coordinating Council of the International Astronomy Olympiad elaborated and if necessary replenishes the "Acting Statutes/Regulations on International Astronomy Olympiad of School Children" which are approved at the meeting of authorized representatives from the founding organizations and participating states held every year during the Olympic period . ...

... STScI-PRC00-08 HUBBLE OPENS ITS EYE ON THE UNIVERSE AND CAPTURES A COSMIC MAGNIFYING GLASS Scanning the heavens for the first time since the successful December 1999 servicing mission, NASA's Hubble Space Telescope has imaged a giant, cosmic magnifying glass, a massive cluster of galaxies called Abell 2218. ... The cluster is so massive that its enormous gravitational field deflects light rays passing through it, much as an optical lens bends light to form an image. ... Blue pinpoints hot young...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Space Flight . Human Exploration . Robot Exploration . ... Science Fiction . ... Thanks to extensive training and consummate professionalism, the two astronauts successfully and without a fuss fixed the problem . ... Article by Colin Johnston, Science Communicator) . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...