... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... About meteorites . ... Meteorite Encyclopedia . ... About laboratory . ... On the night of September 24-25, in the north of Irkutsk Oblast, local residents saw a brightly glowing space object draw a line across the sky and fall into the taiga. ... But scientists learned of the heavenly visitor only on October 3, when a fax arrived at the Institute of Sun And Earth Physics from Bodaibo. ... The first thing we did was to interview residents of villages located along the meteor's flight path. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des reportages . ... les plus belles images de l'Univers d–їcrypt–їes pour vous . ... Accueil Eclipse partielle de Soleil –Љ lвАЩhorizon . ... C'est ce qu'on appelle une –їclipse de Soleil . ... Pour avoir tous les horaires pr–їcis et la portion de Soleil –їclips–їe en fonction de la ville dans laquelle vous vous trouvez, vous pouvez consulter l'article d' Emmanuel Beaudoin consacr–ї –Љ l'–їv–їnement dans Ciel et Espace de janvier 2011...

... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 4­5 Gyr than in the sparse ones. ...