... Dept. for Physics of Stars&Galaxies . ... Investigation of physical characteristics and evolution of galaxies with active star formation, according to observations at telescopes in the world's largest X-ray, ultraviolet, visible, infrared and radio wavelengths of electromagnetic radiation. ... The analysis of stellar spectra considering deviations from LTE, the evolution and definition of the physical characteristics of stars of late spectral classes.. ... Stars . ... Star clusters of the Galaxy . ...

... 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...

... Table Of Contents Introduction Interferometry Basics Types of Interferometers The Spherical Wave Interferometer Designing and Making the Reference Element Mounting the Components The Laser Assembling and Aligning the Interferometer Viewing and Recording the Fringe Pattern Using the Interferometer Analyzing the Fringe Pattern Peak to Valley or RMS? ... The highly monochromatic nature of laser light allows a large separation, or optical path difference, between the test and reference surfaces. ...

Molniya Triplane Aircraft . At present NPO MOLNIYA is working not only in the space field but also on aircraft engineering. ... Considering this NPO MOLNIYA has chosen a "triplane" aerodynamic scheme stipulating in comparison with traditional schemes the essential increase of flying safety and fuel economy of its aircraft. The triplanes have advantages of canard and classical schemes, but are free from their faults. ... Molniya-1 . ... Heracles Triplane and Aerospace Systems . ...

The Sun 59 Acceleration of electrons in a large-scale electric eld of coronal magnetic loops V.V. Zaitsev Institute of Applied Physics, Nizhny Novgorod, Russia Introduction The main part of the energy, released during solar and stellar ares, goes on the acceleration of energetic particles. ... By this, in the case of a presence of a magnetic eld B j B j j E j in a plasma particles will be accelerated bya The Sun 61 pro jection of electric eld onto a magnetic one Ek = jEBj . ...

GCVS Variability Types and Distribution Statistics of Designated Variable Stars According to their Types of Variability ======================================================================== I. GCVS Variability Types. ... Amplitudes usually do not exceed 0.1 mag. ... RR Variables of the RR Lyrae type, which are radially-pulsating giant A-F stars having amplitudes from 0.2 to 2 mag in V. Cases of variable light-curve shapes as well as variable periods are known. ... RV Variables of the RV Tauri type. ...

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