... Lightning Over Athens . ... What is known is that charges slowly separate in some clouds causing rapid electrical discharges (lightning), but how electrical charges get separated in clouds remains a topic of much research. Dark River Wide Field . ... A Dark River of dust seems to run from our Galactic Center, then pool into a starfield containing photogenic sky wonders. ... The Antennae Galaxies in Collision . ... Andes Sunset Eclipse . ... Mosaic: Welcome to Planet Earth . ... April 2012 . ...

THE 75th NAME-LIST OF VARIABLE STARS. ... The 75th Name-List consists of two tables. ... the literature, taken from positional catalogues, including USNO A1.0/A2.0 and GSC, or determined by the authors); the range of variability (sometimes the column Min gives, in parentheses, the amplitude of light variation; the symbol ( means that the star , in minimum light, becomes fainter, than the magnitude indicated); and the system of magnitudes used ( P are photographic ...

Computational Materials Science 24 (2002) 93-98 www.elsevier.com/locate/commatsci Dependence of period of macrostructures on kinetic parameters under directed crystallization A.P. Gus'kov *, A.D. Orlov Institute of Solid State Physics, Academy of Sciences of Russia, Chernogolovka 142432, Moscow District, Russia Abstract In our previous works [Computat. ... Dispersion equation of this problem contains a kinetic factor that is a derivative of the interface velocity with respect to temperature. ...

A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

Ultraviolet data (DUV) . ... The section "Original data" contains original information in analogue-digital and digital- analogue codes. The section "Data for analysis" contains pre-processed data for further analysis. Tatiana" program can be used for graph presentation of the experimental data, and "Orbitron" program - for geographical control of the data. Manual on how to use the programs and the data is in the HELP-file. ... Original data . Data for analysis . Tatiana program . ...

If necessary, the observations and corresponding O – C values belonging to some observatory can be separated from the other data. Besides, O – C satisfying some conditions imposed on their value can be separated. ... To separate O – C by value, mark O – C check box and enter positive numbers limiting absolute values of O – C from above or from bottom or both and click on Run . ... The restrictions imposed on observatory code and on O – C values are indicated in status bar. ...

... Samara region . ... A special launching transporting container was made for the Samara State Aerospace University nanosatellite SamSat-218 , which will be launched from the new space-launch complex together with the devices Aist-2 and Mikhaylo Lomonosov . ... Universal launching transporting container for spacecraft of CubeSat type are designed and manufactured for the first time in Samara. ... It will participate in the first launch campaign from the space-launch complex Vostochniy. ...

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

Microsymposium 34, MS047, 2001 SOME PROBLEMS OF THE EVOLUTION OF ASTEROIDS ­ RUBBLE PILE. ... Evidently, we can distinguish two processes: distant interactions, where there is no direct contact between separate fragments, and close contact interactions, where the fragments collide with one another. ... Such a rubble pile with a dust atmosphere differs from a cometary nucleus only in the absence of a volatile gas component, which is usually considered the cause of the appearance of cometary dust. ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...