... Tonight's Sky . ... US state, Canadian province, or country . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... Ohio State University, Columbus . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
... разработка теории и методов расчета лучевых дифференциалов первого, второго и третьего порядков в градиентных оптических системах; . ... разработка методов расчета геометрических аберраций второго и третьего порядка осесимметричных оптических систем, содержащих асферические поверхности и градиентные среды типа "псевдоаксикон"; . ... получены формулы для расчета смещения изображения и геометрических аберраций второго порядка в градиентных оптических системах с малыми нарушениями осевой симметрии; . ...
... From this project I learned that I can be good at math and science and now I even like them." ... Then Liliana explained it to me again and after I heard it two or three more times it began to make sense. ... In the spring of 2000 we completed our third use of a unit based upon Eratosthenes' measurement of the size, or more accurately, circumference of the Earth. The genesis of this project was when one of us, Paul, attended a workshop on getting scientists involved in K-12 education. ...
... Build your own bike light . ... My own cycling T-shirt designs . My own product reviews for: Shimano Sandals, Speedplay Frogs, Crankbrothers Mallet-C, and the Take-A-Look bicycle mirror. ... This link is to someone else's opinion on an external site. ... Frame testing gone bad . ... Mark Matarella's excellent recumbent web pages. ... The National Bicycle Greenway 's web pages on recumbents. ... Web page for RCN, the US recumbent magazine. ... Harris Cyclery , Sheldon Brown's cycling web site. ...
... Home Links International Sidewalk Astronomy Night . ... Saturday night, April 12, 2008, is the 2nd International Sidewalk Astronomy Night.€а We call on all amateur astronomers to take their telescopes and binoculars out for the public to enjoy the wonders of the night sky.€а A first-quarter Moon will be visible, as will the planets Saturn and Mars.€а More information can be found at http://www.sidewalkastronomynight.com /, where you can register so people will know where to find you. ...
... Kommt und seht, wie sie sich dreht!" Die Frage ob sich die Erde bewegt oder ob sie bewegungslos im Mittelpunkt des Universums steht, beschдftigte lange Zeit die Menschheit. ... Nachdem die Halteschnur durchgerissen war, vollzog das Pendel eine regelmдЯige Hin- und Herbewegung. ... Und tatsдchlich konnten die Zuschauer bereits nach einigen Minuten deutlich erkennen, wie sich das Pendel nach links verschoben hatte: Es war also wirklich mцglich der Erde beim "Drehen" zuzusehen. ...
Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer Observatory gratefully acknowledges the generous support of those listed below. ... We thank our donors and hold them up as models of how corporations in America can behave responsibly in the communities in which they do business. ... Telescopes, parts, and accessories . ... 100,000 . ... Hughes Missile Systems . ... Miscellaneous electronics . ... Terra Universal, Inc. ... EFI Electronics Corp. ... 2013 Winer Observatory. ...
... Space Flight . ... Yuri Gagarin essentially stepped into what was described as a tin can on top of a bomb! ... Little do the small inhabitants know that a child, born to collective farm workers on this day, will make their village famous as he will be the first man to be sent into space! ... Yuri's rocket: This is a full-scale repica of Gagarin's R7 launch vehicle, however the real article was painted dark grey. ... Reply . ... Hi, I was 12 years old when Yuri Gagarin became the first man in space. ...
... News . ... International Year of Astronomy in Ireland . ... I n the last day of the International Year of Astronomy ( early evening of 31 December 2009), the Moon had the smallest partial eclipse that we have seen in Ireland and the UK for 40 years: the Moon was 8% covered by the Earth's shadow. ... This New Year's Eve, five planets and the Moon will put on a spectacular show in the evening sky to celebrate the end of 2008 and the beginning of 2009, the United Nations International Year of Astronomy...
... About ATNF overview . ... Contact us . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Online Resources . ... Department of Astronomy and Earth Sciences, Tokyo Gakugei University 4-1-1 Nukui-kita, Koganei, Tokyo 184, Japan . ... We have investigated H CN v=0 J=1-0 emission from six optical carbon stars. ... NASA Infrared Telescope Facility, University of Hawaii, Institute for Astronomy, Honolulu, HI 96822 USA . ...
... Every military attack against Puerto Rico has taken place punctually in the decade of the '90s on nearly each successive century: Christopher Columbus (1493), Sir Francis Drake (1595), The Count of Cumberland (1598), Ralph Abercromby (1797), William Sampson (May 1898) and Nelson Miles (July 1898). The Spanish -American War was a brief military action. San Juan, Puerto Rico was bombarded on May 12, 1898, the American Invasion began on July 25, and the war ended on August 12. ...
... Enfin, en pleine campagne pr†йsidentielle am†йricaine, elle relance le d†йbat de lтАЩacc†иs autonome des †Йtats-Unis †а lтАЩISS, les plans actuels pr†йvoyant une mise †а la retraite des navettes en 2010, puis le relais par des vaisseaux russes Soyouz pendant cinq ans, en attendant la mise au point de la capsule Orion. ... Ce qui, pour un nouveau lanceur, nтАЩest jamais simple. ... La sc†иne des premiers temps de lтАЩUnivers est une image qui nтАЩa pas de prix. ...
... The 3.5 meter optical telescope is an altitude over azimuth mechanical structure with Ritchey-Chretien optics. ... These are coupled by friction to large diameter drive disks on each axis. ... The telescope project design phase started in 1983. ... The secondary and tertiary mirrors are lightweight borosilicate hot gas fusion blanks and were fabricated by Hextek, Inc., ... Drive torque is transmitted to the altitude structure via the large diameter drive disk mount on the underside of the mirror...
... STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... Dr. Fritschel described gravitational wave detectors that have been deployed and the plans for improvement in sensitivity now being implemented. ... LIGO is an acronym for the Laser Interferometer Gravitational Wave Observatory. ... No gravitational waves were detected by early science runs of the LIGO observatories. ...
PROFESSIONAL WEATHER STATION TE827W USER MANUAL 1 Table of Contents Introduction Standard Package Contents Installation Before you begin Thermo-Hygrometer Sensor Rain Gauge Anemometer ( wind sensor) Main Unit Battery installation Buttons and Controls Navigating through the modes Customizing your Weather Station Using Different Weather Modes Pressure and Weather Forecast Mode Clock and Alarm Mode Manual Settings ... Accessing Rain Mode From the main unit: Press UP? or DOWN ? ...
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