... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil NGC891, jumelle de la Voie lact†йe . ... Souvent consid†йr†йe comme une jumelle de la Voie lact†йe vue par la tranche, la galaxie NGC891 a †йt†й d†йvoil†йe avec d†йtail par l' astrophotographe am†йricain Jay Gabany. ... 07/04/2016 - Plong†йe au centre de la Voie lact†йe ....

Clouds of gas between spiral arms . ... In the region of galactic longitudes 60 - 74 degree, latitudes +-15 degree and distances from centres of Galaxy 11 - 12 kpc 81 HI clouds are found and their parameters (figure 1) are measured. ... Average concentration of gas within clouds is 0.15 -3 cm. The life time of the clouds with such concentration between spiral arms permits to evaluate the velocity of ionization and to choose model of heating interstellar matter satisfying to these data. ...

... We describe a new library (AST) which provides a flexible high-level programming interface for handling world coordinate systems in astronomy and for producing graphical output. ... Relationships between coordinate systems are represented within AST by objects called Mappings. ... While Mappings represent the relationships between coordinate systems, the coordinate systems themselves are represented by objects called Frames. ... Like all objects, a Frame also provides methods. ...

... the radiative transfer equation (RTE) for the randomly-irregular magnetized plasma has been derived on the base of general grounds of the multiple scattering theory . ... Solutions of several absolute tasks of the scattering theory have been obtained (on the optical depth of the ionospheric plasma layer, on the value of radio wave anomalous attenuation, on anomalous refraction, on the backscattered signal intensity for the source being placed within a plasma layer). ...

Journal of Crystal Growth 198/199 (1999) 210 --214 Temperature distribution near the interface in sapphire crystals grown by EFG and GES methods V.M. Krymov *, V.N. Kurlov , P.I. Antonov , F. Theodore , J. Delepine A.F. Ioffe Physical--Technical Institute, 26 Politekhnicheskaya ... Atomique, 17 rue des Martyrs, F-38054 Grenoble Cedex 9, France % Abstract This paper presents results of experiments on in situ temperature measurements during ... Fig. ... EFG technique (a). ...

Optical design and verification of the sub-millimeter limb sounder TELIS P. Yagoubov1, G. de Lange1, A. Baryshev2, R. Hesper2, V. Koshelets3, G ... IREE, Russia 4Institute for Remote Sensing Technology, DLR, Germany 5Institute of Applied Physics, University of Bern, Switzerland Vertical scan , mm Vertical scan , mm TELIS (Terahertz and submm Limb Sounder) is a cooperation between European institutes, DLR, RAL and SRON, to build a three- ... SIR cold channel phase distribution. ...

... Measuring the Distances to Supernovae . Professor Robert Kirshner . Thursday, Oct 11, 2012 at 8:00 PM . This month our speaker will be Professor Bob Kirshner of Harvard University who will speak to us about measuring the distances to supernovae which was the key to the discovery of the accelerating universe that won the 2011 Nobel Prize. ... Oct . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...