... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Investigations of the ionospheric response to strong magnetics storms which are usual for our latitudes, are of great interest. ... In the figure, we present ionospheric parameter dynamics during three perturbed days in July 2000. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronado€о Solar . ... Spotting Scopes . ...

Совместная работа НЦВО при ИОФ РАН и ИХВВ РАН в рамках прямого сотрудничества с Университетом г. Лимож (Франция) по теме: Разработка и исследование брэгговских волоконных световодов с большим размером поля моды Актуальность Передача мощного лазерного излучения (более 100 Вт в непрерывном и 10 Вт в импульсном режимах) на расстояния порядка нескольких десятков метров при помощи волоконых световодов является актуальной задачей современной оптоэлектроники. ... Это т.н. брэгговский световод (рис. 1а). ...

NEUTRON MONITOR DATA FOR JUNGFRAUJOCH AND BERN DURING THE GROUND-LEVEL SOLAR COSMIC-RAY EVENT ON 28 October 2003 R. Buetikofer and E.O. Flueckiger Physikalisches Institut, Universitaet Bern Sidlerstrasse 5, CH-3012 Bern , Switzerland This report includes information on the processing and use of the data for the ground-level solar cosmic ray event on 28 October 2003 obtained by the following three ... Section 3 of the IGY neutron monitor at Jungfraujoch is the central section. ...

... Luna-9 lander . ... Luna-16,20,24 return capsules . ... Luna-16 drill . Luna-16 drill cutaway . Luna-16 drill base . ... Luna-17 . Luna-17/21 closeup . Luna-17/21 ramp . Luna-17/21 top view . Luna-17/21 bottom view . ... LK landing leg shock absorber . ... LK engine . Krechet detail . Krechet lunar suit . ... Venera-8 lander . ... VEGA TV platform . Venera-2..-7 engine . ... VEGA lander . ... Vega baloon probe . ... Mars/Venera engine . ... Mars-3 lander . ...

... supernova images . Supernova Search and . ... How to report a supernova discovery . ... General Supernova information When you are looking for information on the latest Supernovae, the first place to look (Besides the Bright Supernovae page ) is the Recent IAU Circulars page, Recent CBET Circulars and IAU 's List of Recent Supernovae and List of All Supernovae , as well as the Headlines page web page. ... Arcturus Observatory SN images . ... Joseph Brimacombe's supernova images New 2009/12/17 . ...

... A rough estimation is that in the United States there is one planetarium per 100,000 population, ranging in size from the Hayden Planetarium's 20-meter dome seating 430 people, to three-meter inflatable portable domes where children sit on the floor. ... Together dblo associates make a huge impact in the architecture, interior design and development arena in London. ... With the holidays around the corner what better way to spoil your family than with your very own private home cinema. ...