... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... A few months ago, I wrote about how we know the Earth is round . ... As the Earth rotates, different parts of it face the Sun. ... A funny thing happens if you move west across a single time zone: the Sun will set at a different time at different locations! ... The Earth is a rotating ball, and people that live on different longitudes see the sun set at different times. ...
... Совместная финско-российская информационная система INFOPOL предлагает Вам заработать 0.50$ за каждое ознакомление с их рекламой, пришедшей на Ваш e-mail. ... Выплаты производятся каждую вторую неделю текущего месяца, пут±м отправки по почте чека на адрес, указанный Вами при регистрации. ... Поэтому Вам имеет смысл подписаться на рассылку писем на Ваш почтовый адрес . ... Просто, пройдя по этому адресу, вы только активизируете ваш аккаунт для последующей, основной регистрации в программе. ...
... 32, No. 8, pp. 592603. i Central Regions of the Early-Type Galaxies in the NGC 3169 Group O. K. Sil'chenko1* and V. L. Afanasiev 1 2 Sternberg Astronomical Institute, Universitetskii pr. ... The mean age of the stellar populations in the centers of all three galaxies has been found to be approximately the same, 1 Gyr. ... In contrast, in NGC 3166, there is a metallicity gradient, but the stellar age remains approximately constant up to a distance of 8 from the center. ...
ELT MASS/DIMM instrument for atmospheric turbulence measurements. ... 1.2 Principal geometry of MASSDIMM device . ... The next chapter is a guide for alignment of the optical scheme elements the op eration which is mandatory after the device assembly or while installing the device on the telescop e. Exit pupil optics tuning (MASS segmentator and DIMM mirrors), fo cusing and lateral p ositioning of the Fabry lens, checking the entrance pupil p osition are the sub jects of particular attention. ...
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