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Ingyenes szállítás 10.000 Ft felett

 
LETTERS An Eclipse That Stunk The dust cloud in the skies above Hawaii from Mount Pinatubo hardly inconvenienced most eclipse watchers on July Ilth. However, during the eclipse of August 9, 1896, observers at Vasdo in Norway were assailed by atmospheric pollution of another sort. Pioneer...
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Szállítás: 3-7 munkanap
Személyes ajánlatunk Önnek

Sky & Telescope July 2000 [antikvár]

Charles A. Wood, Jay McNeil, Leif J. Robinson

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2940 Ft

Sky & Telescope August 1984 [antikvár]

Ann Finkbeiner, Anthony L. Peratt, Konrad Rudnicki

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Sky & Telescope December 1982 [antikvár]

David H. DeVorkin, J. Harvey, M. Pomerantz

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Sky & Telescope January 2001 [antikvár]

Charles A. Wood, David Ratledge, Stuart J. Goldman

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Sky & Telescope January 1981 [antikvár]

Michael Jay Jones, Walter Scott Houston

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Sky & Telescope January 2000 [antikvár]

Charles A. Wood, Gary Seronik, Govert Schilling

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Sky & Telescope September 1982 [antikvár]

Donald E. Winget, Steven G. Wallenhorst, Warren Campbell

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Sky & Telescope November 2000 [antikvár]

Gary Seronik, Govert Schilling, Stuart J. Goldman

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Bővebb ismertető
LETTERS An Eclipse That Stunk The dust cloud in the skies above Hawaii from Mount Pinatubo hardly inconvenienced most eclipse watchers on July Ilth. However, during the eclipse of August 9, 1896, observers at Vasdo in Norway were assailed by atmospheric pollution of another sort. Pioneer balloonist and amateur astronomer Gertrude Bacon lamented that phenomenon in her Memories of Land and Sky: During the week we spent there we all understood why it is not a tourist resort. At the back of the town is a guano factory; flanking it are establishments where they boil down whales and manufacture cod-liver oil. . . . From our ship the whiffs of Vasdo, which proudly boasts itself the centre of the fish-drying trade, were strong enough to wake us at night, and suffering astronomers would complain that they had no idea that a total eclipse could smell so strong. The eclipse — all 106 seconds of it — was clouded out. KENNETH WEITZENHOFFER 101 Clark St., Apt. HE Brooklyn, N. Y. 11201 Eclipse Compendium I am undertaking a project in an attempt to catalogue what the July Ilth eclipse meant to observers. Readers who wish to participate can send me their name, home address, phone number, and viewing location. Please grant me permission to use your material (if it is selected). Then, using S'/a-by-ll-inch sheets of paper, communicate your reactions in any combination of creative writing (metaphor, analogy, rhyme, poem, short story, or song) or illustration (photograph, artwork, or cartoon). Send your material to the address below. Submissions will be edited and compiled for publication. The author of each submission chosen will be credited for his or her work. ERIC FLESCHER 3024 Flint Dr. Lawrence, Kan. 66047 Eclipsed Observatories Mauna Kea's good fortune to be in the path of totality on July Ilth inspired me to search for other observatories that will have similar luck in the future. For any given place on Earth's surface, observa- tory or not, a total solar eclipse is a very rare event. Using the accurate elements from Jean Meeus' Elements of Solar Eclipses (Willmann-Bell, 1989), I determined that during the next 100 years such sites as Kitt Peak and Mauna Kea will not experience totality or even annularity. Nevertheless, some of the 30 other observatories I examined fared better. Perhaps the most intriguing event will occur on July 2, 2019, when the center of the lunar shadow will pass about halfway between Chile's Cerro Tololo and La Silla, which are the homes of two major astronomical installations. Cerro Tololo will see the Sun totally eclipsed for 125 seconds and La Silla for 116 seconds, with a 77-second overlap. On April 8, 2024, Ohio's Perkins Observatory will be covered by the Moon's shadow for nearly 3 minutes, and "only" 75 years later on September 14, 2099, for more than 4 minutes. During the latter eclipse, Wisconsin's Yerkes will have 1.5 minutes of darkness, Pennsylvania's Allegheny will perhaps get a few seconds at the path's northern limit, and West Virginia's Green Bank will have 4.5 minutes. Others I discovered are summarized below: Date Observatory Duration July 22, 2028 Siding Spring 2.8 min. Apr. 30, 2060 Byurakan 1.5 Apr. 4, 2061 Crimean (Siméis) 1.7 Sep. 3, 2081 Paris (Meudon) 3.2 Sep. 23, 2090 Paris (Meudon) 2.7 Apr. 21, 2098 Zelenchukskaya 1.7 ANDREAS DILL Geldenaaksevest 44 B-3000 Leuven, Belgium Eclipse Apathy The July solar eclipse reminded me of a remarkable passage from the autobiography of William Lyon Phelps, who taught English at Yale from 1896 to 1933. Astronomy was one of his enthusiasms, and in his Autobiography with Letters (Oxford University Press, 1938) he describes his trip to Canada to see the solar echpse of 1932 and then continues: Through illness 1 had missed the eclipse of 1925; it was a terrible disappointment; and yet there are educated people who care nothing for eclipses. Some otherwise intelligent friends of mine left New York the day before that eclipse, when they could easily have waited. And SKY & TELESCOPE Editor: Leif J. Robinson Senior EdUor: J. Kelly Beatty Technical Editors: Richard T Fienberg, Ph.D. Ronald A. Schorn, Ph.D. Associate Editors: Dennis di Cicco Alan M. MacRobert Stephen James O'Meara Roger W. Sinnott Assistant EdUors: Mollie D. Boring Stuart J. Goldman Publisher: William E. Shawcross Advertising: Lester J. Stockman Marketing: William R. Lawrence Assistant: Bryan Cholfin Induction: William H. Bonney, manager Art Director: Steven Simpson Designer: Kevin Sartoris Advertising Designer: Mary Santa Maria Technical Illustrator: Jose R. Diaz Graphic arts: Charles T. Baker Bobby O'Donnell Production Assistant: Alisa Wolf Proofreaders: Nina R. Barron-Pesetsky Susan B. Bryant Typesetter: Celia M. Cornish Fulfillment: Subscriptions: Sarah E. Bulger, manager Theresa Downing, Anna Vergona Other Sky Publications: Ellen M. Betz Marjorie MacKerron, Cheryl Woodward Accounting: Timothy F. Smith Julius A. Visconti Business Manager: John J. Simmons, Jr. Shipping: Lawrence Babin, Ray Marshall George Sealey SAry & TELESCOPE (ISSN 0037-6604) is published monthly by Sky Publishing Corporation, 49 Bay State Rd., Cambridge. Mass. 02138. Telephone: 617-864-7360. Fax: 617-864-6117. All rights reserved. Canadian GST Reg. #R128921855. Second-class postage paid at Boston, Mass., and at additional mailing offices. POSTMASTER: Send address changes to Sky & Telescope, P. O. Box 9111, Belmont, MA 02178-9111. SUBSCRIPTION: $24.00 per year in the United States and possessions; $45.00 for two years; $66.00 for three years. See the form at the back of this issue for more information and foreign rates. Single copy of current volume, $2.95; foreign, S4.00. Back issues available from 1985, S3.50; foreign, $4.50. Order from Belmont address. Microform editions from 1941 and xerographic copies: University Microfilms, 300 N. Zeeb Rd., Ann Arbor, Mich. 48106. Microform editions are also available from Information Access Co., 362 Lakeside Dr Foster City. Calif. 94404. ADVERTISING: Rates are sent on request. Call Lester Stockman at 617-864-7360. ext. 135. EDITORIAL: Send all correspondence and manuscripts to our Belmont address. Reader contributions welcome — write for author's guide. COPYING: Authorization lo photocopy items from Sky & Telescope for internal or personal use, or the internal or personal use of specific clients, is granted for users registered with the Copyright Clearance Center (CCC) Transactional Reporting Service, provided that a fee of 25 cents per page per copy is paid to CCC. 27 Congress St., Salem, Mass. 01970. Specify 0037-6604/91 $0.00 + .25. CITATIONS: Articles are indexed in Astronomy and Astrophysics Abstracts, Astronomy and Astrophysics Monthly Index, Book Review Index, !BR, IBZ, The Magazine Index, Monthly Periodical Index, Physics Abstracts, The Readers' Guide to Periodical Literature. TRADEMARKS: Sky & Telescope and design. Sky and Telescope, Sky Publications. Scanning the Skies. Book Faire, and ESSCO are registered trademarks of Sky Publishing Corporation. SKYLINE® astronomy news: 617-497-4168. November, !1991, Sky & Telescope 451
Termékadatok
Cím: Sky & Telescope November 1991 [antikvár]
Szerző: Dennis di Cicco , Leif J. Robinson Virginia Trimble
Kiadó: Sky Publishing Corporation
Kötés: Tűzött kötés
Méret: 210 mm x 280 mm
Dennis di Cicco művei
Leif J. Robinson művei
Virginia Trimble művei
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