Abstract -- Abundances of heavy elements decreases with increasing galactocentric distance almost in all disk galaxies. ... To explain this gradient in young objects and in the interstellar gas one has to assume that a typical disk galaxy is an open system, i.e. it expels some synthesized heavy elements into the circumgalactic space and/or accretes intergalactic gas with zero metallicity, with rates of both processes depending on the galactocentric distance. ...

NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...

... Free image alignment/stacking/processing Software . My lunar drawings . ... REAL TELESCOPES . ... Download Pocket-Aberrator . ... The Aberrator is freeware that generates star-testing images to show the effects of aberrations (distortions) influencing the quality of a telescopes performance. ... The idea to make a program like the Aberrator I got after studying many internet-sites on star-testing and often the effects of certain aberrations were only available as literal descriptions. ...

... M111 Jan 2008 . ... New Members . ... Any time you have something you'd like to offer - be it a story of how you first got started in astronomy, a star party you just attended, a telescope you just bought, or your favorite constellation, just drop me a line with the story included and I'll be sure to get it posted! ... The flight computer onboard the Lunar Excursion Module, which landed on the Moon during the Apollo program, had a whopping 4 kilobytes of RAM and a 74-kilobyte ?hard drive.? ...

... Direct data transmission rate (Mbps) . ... the density of electron fluexs with energies in four bands from 0.04 MeV to 1.7 MeV; . ... sensor (TV, IR) data and heliogeophisical information (HGI) transmission to data receiving and processing centers at a rate of up to 2.56 Mbps; . ... 1.76 GHz - TV- and heliogeophysical information and DCLI's data transmission to data receiving and processing centers; . 7.5 GHz - TV- and heliogeophisical data transmission to data receiving and processing centers; . ...

... This applet generates an observing list based on an observer's location and time. ... To use this program, enter in your location, and the local times at which you wish to begin and end observing. The date you enter should correspond to the calendar day at the time at which you begin observing. For example, if you wish to observe from 9:37 PM October 23, 2007 until 3:21 AM October 24, 2007, you would enter 21:37 for the starting time, 03:21 for the finish time, and 10/23/2007 for the date. ...

... Properties of Stellar Populations in Isolated Lenticular Galaxies I. Yu. ... The resulting average ages of the stellar population in bulges and discs fill an entire range of possible values from 1.5 to 15 Gyr which indicates the absence in the isolated lenticular galaxies, unlike in the members of groups and clusters, of a certain epoch when the structural components are formed: they could have been formed at a redshift of z > 2 as well as only several billion years ago. ... 69 NGC 2350 No. ...

... Discovering Near-Earth Asteroids . ... The LINEAR program is operated by MIT Lincoln Laboratory under NASA and Air Force sponsorship . ... Dr. Stokes directs the development and operations of the Lincoln Near-Earth Asteroid Research program, under NASA and Air Force Space Command sponsorship. ... Dr. Stokes was honored with the Air Force Meritorious Civilian Service Award for his four years of service to the Air Force Science Advisory Board. ... Copyright (c) Amateur Telescope Makers of Boston, Inc....

... The double-sun planets, Kepler-34b and Kepler -35b are Saturn-like in mass and orbit a pair of stars (aka binary stars`). ... Along with 61 con rmed exoplanet discoveries, the project has announced 2,326 planet candidates, many of them earth-sized and many within their star's habitable zone. ... Another Kepler find, the Kepler-20 system, contains five planets, two of which are Earth-sized, though neither are in the habitable zone (they orbit their star in only 6.1 and 19.6 days, respectively). ...

... Classical School N1522 ensures general secondary education and in addition gives good knowledge of English, history and literature of English-speaking countries. ... All graduates come to meet their teachers and friends, to remember nice years of school life: The Club of International Friendship which united children who made, contacts with teenagers of English-speaking countries by exchanging letters, receiving foreign delegations and that was the way they improved their speaking skills of English....