The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

... It was a great privilege for me to live and work for dozens of years within that scientific and humanist community, especially for sixteen years at PhIAN. ... Mandelshtam began his research at the University of Strasbourg (Germany) with the famous physicist Karl Ferdinand Brown, who was the recipient of the 1909 Nobel Prize in physics together with Guglielmo Marconi for developing wireless telegraphy. ... Mandelshtam's collected works show that he was equally familiar with all the branches of...

Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...

... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...

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... Телескопостроение, оптика (Модераторы: I.A.R. , Ivan7enych ) ? Интервью с Thomas M. Back . ... CN: Who does the lens figuring for your TMB scopes? Why did you choose them? ... Their master opticians do the final hand figuring, that is so important for sharp and high contrast images. ... They make their own glass, curve generate, polish, figure, multicoated all glass surfaces, and finally make a custom temperature compensated cell, that has been a proven performer over the last 9 years. ...

... Active Skepsis . ... Probably, one should know the results from any actions. ... As a result, a sceptic, who discredits, for example, the tales of Christian wonders, has to follow the practical recommendations of Christianity or any other belief knowing how to act. ... As a result, scepticism restricts itself with discrediting secondary wonders, permanently replacing one doubtful interpretation with another and telling nothing of life and action. ... Yuri Tikhonravov, Ph.D. Translated from Russian ....

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... Он состоит из трех оптических деталей: главного зеркала с вогнутой сферической поверхностью, второго плоского зеркала и окуляра-лупы (смотри схему). ... Двигая зеркало вперед и назад по поверхности шлифовальника, старайтесь удерживать его в состоянии устойчивого равновесия на линии окружности шлифовальника. ... Как снимать и накладывать зеркало на шлифовальник. При тонкой обработке поверхности зеркала и шлифовальника с высокой точностью притираются друг к другу по сферической поверхности. ...