... Ad Astra - "To the stars" in Latin, the official magazine of the National Space Society . ... cyberSPACE News - weekly index of online space news coverage; sponsored by the National Space Society . Final Frontier - bimonthly newstand magazine covering space, astronomy, and science news . ... Magazine . ... Sky & Telescope Magazine - S INCE 1941 Sky & Telescope has been the world's leading source of accurate and up-to-date information about astronomy and space science. ...

The small solids. Asteroids or the small planetes . ... The comets. ... Ceneca the Young.Procuring about the nature.63 y. The comet is a celestial body of a great size, but a rare one... transparent. Sometimes there seen a core and the medium forms a kind of a tail, beard or dishevelled looks. ... The core is an ice body - conglomeration of frosted gas and dust. ... The comet state is variable: ones have the con tails, others the dust tails, and the third have both. ... Meteors and meteorites. ...

... 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...

... World Data Center . for Solar-Terrestrial Physics . Moscow, Russia . ... Siberian Solar Radio Telescope, Institute of Solar-Terrestrial Physics, RAS SB, Irkutsk, Russia. ... Data of the Crimean Astrophysical Observatory on the ftp-server of the Solar-Terrestrial Physics Division, National Geophysical Data Center, Boulder, USA. ... World Data Centre for Solar-Terrestrial Physics, Chilton, UK. ... Solar-Terrestrial Physics Division, National Geophysical Data Center, NOAA, Boulder, USA. ...

... The USA. ... American Symbols. Holidays in the USA. The Wild West. ... Columbus discovered America in 1492 but he thought it was the coast of India. ... The original inhabitants of North America were the Indians. ... The United States of America (USA) occupies a large territory between 49 and 25 N. L. (North Latitude). ... The United States has Thousands of lakes all kinds and sizes. ... The waters of the five lakes have their outlet into the Atlantic O cean by the St. Lawrence River. ...

Next: ST-ECF Grism Spectrum Software Up: NICMOS Data Calibration and Previous: Photometric Performance of NICMOS . ... Wavelength Calibration of NICMOS Grisms . ... This article describes the wavelength and throughput calibration of the grisms and discusses the photometric performance of the NICMOS grism mode. ... The resolution of the first order spectra on all grisms is about 200 per pixel. ... Spectra were extracted for bright objects with both first and second order spectra on single grism images. ...

... 1988) MERCURY Dollfus & Auriere(1974) Veverka et al. ... Lunar Crater name Ptolemaeus Bullialdus Gassendi crater maturity Im Is/FeO 1.452 68 1.451 68 1.415 75 Mercurian wavelength dependence of Pmax and lunar data 1,6 1 1,4 3 1,2 1 5 0,8 0,6 0,4 0,2 0 2,2 2,4 2,6 2,8 3 3,2 log l, (nm) Fig. 3 log Pmax, (%) 2 4 6 Conclusions: Maturity of the soil on the Mercurian surface in scale of whole disk is similar to space weathering of the soil in large old craters on the lunar highland. ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... Дата: 10 февраля 1998 (1998-02-10) От: Alexander Bondugin Тема: NASA Says Lunar Ice Rumors Wrong Привет всем! ... Дата: 10 февраля 1998 (1998-02-10) От: Alexander Bondugin Тема: Lectures at JPL on Near-Earth Asteroids Привет всем! ... Дата: 10 февраля 1998 (1998-02-10) От: Alexander Bondugin Тема: Images Of Mars '98 Landing Zone Reveal Strange New Terrain Привет всем! ...

... Книга представляет собой один из первых учебников по дисциплине "Теория и практика Government Relation" (GR). ... Даны определения базовых понятий GR и лоббизма, основные GR-технологии и технологии лоббистской деятельности. ... Артикул: LSC-8303-05 . Бренд: Lussole (Италия) . Коллекция: Abriola . ... Накладная люстра LSC-8303-05 LUSSOLE долго останется модной: форма классична, универсальна и намекает на современность только оригинальной арматурой и высокотехнологичными материалами. ...

... Chilingarian, I., Melchior, A.-L., Zolotukhin, I. 2010: Analytical approximations of K -corrections in optical and near-infrared bands , MNRAS, v. 405, p. 1409 (also arXiv:1002.2360) . ... Calculator . ... calculate spectral energy distributions , K-corrections calculator , UKIDSS YJHK , K-corrections of galaxies , spectral based k-corrections , SDSS filter set K-corrections , K correction code IDL , kcorrect IDL C , . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The on-line diagnostics of the SW channel characteristics operative through back-scattering ionospheric sounding (BSS) is based on adiabatic relations of diagnostic signal characteristics and channel in operation under ionospheric parameter variations (Kurkin V.I , Nosov V.E., Ponomartchuk S.N.et. al. SW radiochannel operative dignostics. ...