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| subject: | S&T`s Weekly News B 01/0 |
======================================================================== * * * SKY & TELESCOPE's WEEKLY NEWS BULLETIN - June 4, 2004 * * * ======================================================================== Welcome to S&T's Weekly News Bulletin. Images, the full text of stories abridged here, and other enhancements are available on our Web site, SkyandTelescope.com, at the URLs provided below. (If the links don't work, just manually type the URLs into your Web browser.) Clear skies! ======================================================================== YOUR GUIDE TO THE TRANSIT OF VENUS On Tuesday, June 8th, the planet Venus will glide directly across the face of the Sun. No one alive today has seen Venus "transit" the Sun -- it last happened in 1882 -- and astronomers around the world are eagerly awaiting the event. Only one other transit of Venus will occur this century, eight years from now on June 6, 2012. During this 6-hour-long event, Venus will appear as a perfectly round black dot slowly moving across the Sun's face.... > http://SkyandTelescope.com/observing/objects/article_1258_1.asp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - SEEING THE VERY FIRST GALAXIES Using the largest telescopes in space and on Earth, various groups of astronomers are shedding new light on the dawn of the cosmos. The verdict so far: the "Dark Age" that followed the Big Bang probably lasted longer than thought and ended only gradually, with the first stars and galaxies lighting up the cosmos in fits and starts rather than in one nearly simultaneous, grand opening of light. Moreover, these very first stars may not have been as massive and brilliant as recently believed. "To see the first stars and first galaxies has been the Holy Grail of cosmology for a long time," comments Space Telescope Science Institute director Steven Beckwith. "Right now, we're beginning to see this...." > http://SkyandTelescope.com/news/article_1273_1.asp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - SPITZER EXPOSES MYSTERY HOLES In a cosmic game of hide and seek, NASA's Spitzer Space Telescope has ferreted out the host galaxies of supermassive black holes in the young universe that had escaped identification up to now. Moreover, the Spitzer data suggest that most active galactic nuclei in the universe are shrouded from view by thick envelopes of obscuring dust. Finally, the infrared space observatory may have detected some of the very first galaxies to have formed. According to Mark E. Dickinson (National Optical Astronomy Observatory), "the performance of Spitzer is much better than originally anticipated." Dickinson is the principal investigator for the new observations: four 24-hour exposures with Spitzer's Infrared Array Camera of a small area in the southern constellation Fornax.... > http://SkyandTelescope.com/news/article_1267_1.asp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - NASA'S O'KEEFE DETAILS HUBBLE PLANS NASA administrator Sean O'Keefe says that plans are moving forward to service the Hubble Space Telescope with a robotic mission by the end of 2007. In a June 1st address at the meeting of the American Astronomical Society in Denver, Colorado, O'Keefe maintained that the space agency is committed to extending the orbiting observatory's lifetime, and to that end he has decided to solicit formal proposals to service Hubble without the use of the Space Shuttle. Addressing the 1,400 astronomers gathered in Denver, O'Keefe also detailed what he called the "very painful" decision he made earlier this year not to proceed with another shuttle mission to replace Hubble's failed gyroscopes and weakening batteries.... > http://SkyandTelescope.com/news/article_1269_1.asp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - AMATEUR IMAGES VENUS'S SURFACE In a first for amateur astronomy, backyard observer Christophe Pellier in Bruz, France, has captured images of the eternally cloud-shrouded surface of Venus. Using a 14-inch Schmidt-Cassegrain telescope, a webcam, and a 1-micron infrared filter, Pellier imaged Venus's night side glowing right through the planet's clouds on May 12th, when Venus showed a (Continued to next message) ___ þ OLXWin 1.00b þ No sense being pessimistic. It wouldn't work anyway. --- Maximus/2 3.01* Origin: Sursum Corda! BBS-New Orleans 1-504-897-6006 USR33k6 (1:396/45) SEEN-BY: 633/267 270 @PATH: 396/45 106/2000 633/267 |
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