... stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Is emission nebula NGC 6334 a mini starburst region? A team has identified a region in our galaxy that may deserve the starburst title and may help explain what leads to the furious production of new stars in this type of region. ... This region NGC 6334 (commonly called the Cat's Paw Nebula) is rich in gas and dust. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des interviews, des portraits . les plus belles images de l'Univers d†йcrypt†йes pour vous . ... 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 Macrocosme a son application, MC2 . ... La version num†йrique ipad du premier num†йro de Macrocosme, l'application MC2, est disponible sur l'App Store. ...

... Series 4000 filters thread into the barrels of virtually all 1.25" eyepiece brands. Meade Series 4000 filters are a large 26mm in clear aperture and are manufactured from the purest crown optical glass, dyed-in-the-mass ( not "color coated"); there are no finer filters available for telescopic applications. ... For visual applications Series 4000 filters thread into the barrels of all Meade 1.25" eyepieces, and into the barrels of virtually all other 1.25" eyepiece brands as well. ... Meade 4M | ...

... Recent applications of multi-spectral imaging in auroral research are combining these dimensions, providing a new perspective on the poorly understood physics of magnetosphere-ionosphere coupling. ... He is an Associate Editor for the Journal of Geophysical Research. ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

grdlandmask - Create "wet-dry" mask grdfile from shoreline data base. grdlandmask -G mask _ grd _ file ] -I xinc [ m|c ][/ yinc [ m|c ]] -R west / east / south / north [ r ] [ -A min _ area [/ min _ level / max _ level ] ] [ -D resolution ] [ -F ] [ -N maskvalues [ o ] ] [ -V ] grdlandmask reads the selected shoreline database and uses that information to decide which nodes in the specified grid are over land or over water. ... The resolution drops off by ~80% between data sets. Default is l ]. ...

... Visible and Infrared Survey Telescope for Astronomy: Progress Report" . ... The VISTA Project: a review of its progress and lessons learned developing the current programme , McPherson, Emerson, Born & Sutherland, in Ground-based Telescopes, eds Oschmann & Tarenghi, Proc of SPIE, 5489, 638, 2004 . Visible and Infrared Survey Telescope for Astronomy: overview Emerson and Sutherland, in Survey and Other Telescope technologies and Discoveries, eds Tyson & Wolff, Proc of SPIE, 4836, 35, 2003 . ...

MATHEMATICAL MODELING: . ... This model is developed on the base of the probabilistic description of the collisional aeronomical processes and is realized on a computer as the numerical system (stochastic model). ... Shematovich, V.I., Bisikalo , D.V.             Nonequilibrium processes in the planetary and cometary atmospheres. ... In Russian) . ... Piarnpuu , A. A.; and Shematovich, V. I.       Construction of structural stochastic models of collision processes in rarefied gas media (abstract) . ...

... Satellite data ] . SMIS ] . SMIS PUBLICATIONS . ... M. Andrrev, V. Efremov, M. Gostev, G. Dmitriev, Yu.S. Krasheninnikova , E. Loupian , A. Mazurov , R. Nazirov , A. Proshin , E. Flitman A System for Operational Remote Access to Archives of Data from Russian Earth-Observation Satellite Systems . The paper is devoted to general information system architecture, developed at IKI RAN for building information systems for access to satellite data and derived products. ... Preprint IKI RAS. ...

The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...

... The RAS Meteorite Collection: State on the 1 st of June, 1999 . ... About the laboratory . ... Find 1749. One mass of 687 kg . ... Fall 09 February 1929. 11 masses totaling 3738 g, the largest is 2128 g . ... Chondrite . ... Find 1986. 3 masses totaling about 25 kg . ... Fall 24 March 1933. 75 masses totaling 3-4 kg . ... Fall 29 July 1935. 5 masses totaling 37.35 kg, the largest is 23 kg . ... Fall 23 May 1938. 4 masses totaling 127.5 g . ... Fall 02 October 1933. 10 masses totaling 3.4 kg . ...

Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... April . ... April, 2013 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

Title , Contents , Index . rtftohtml reads up RTF format documents and translates them to HTML. In processing text, the filter chooses HTML markup based on three characteristics
. ... The paragraph style
. ... For paragraph and text styles, the rules for translation are contained in a file called html-trans
(see Section 5.1 ). ... If a paragraph style is not found, a warning will be generated and the text will be written to the HTML file with no special markup.) ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Phase range for plots: -0.5 to 1.0 0.0 to 2.0 0.0 to 1.0 . ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... Two period search methods are currently implemented. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . ...