... It was found that the Sun lies 9?2 pc above the plane of hte Galactic disk in the direction of North Galactic pole and that F0-F9 stars contribute 0.0035 M /pc 3 to the density of the Galactic disk. ... We used this method to determine the scale height of the subsystem of F stars of the Galactic disk, Z 0 =160?10 pc. ... It is suggested that scale height of the metal-poor stars subsystem is due to the infall of the metall-poor intergalactic gas onto the disk. ...

Symbolic circuit-matrix processor and evaluator . ... This software is reliable over the range of benchmark circuit complexity (both *.CIR and *.MAT file). ... SYMBOL is a symbolic-algebra package which in contrast to REDUCE, MACSYMA, MAPLE, MATHEMATICA, MathLAB, MathCAD and other known multi-purpose systems is especially intended for analysis of any lumped, linear, time-invariant circuit. ... pure ASCII text . ... CIRSYM - SYMbolic CIRcuit processor used to format ASCII text file *.out for CALCSYM. ...

FEATURES OF THE HYDROGEN DISTRIBUTION AROUND LUNAR CRATERS PROCLUS AND KEPLER. ... In result of analysis of the data Lawrence and Feldman constructed the hydrogen distribution on the lunar surface [1]. ... However, the authors shown, that EN flux data features may be explained by other element abundance in the lunar soils, namely: Si, Ca, Gadolinium (Gd), Samarium (Sm) and Fe. ... Using of the Feldman's interpretation of the Lunar Prospector data [8], we constructed hydrogen distribution map (Fig.1). ...

... With respect to the foreign participants of the Meeting, the Organizing Committee cordially asks the authors to provide their oral and poster presentations and abstracts in easy and understandable English. Nevertheless, both English and Russian will be the official languages of the meeting, the oral translation services from Russian into English will be organized only in exceptional cases on the presenting author's request made well in advance. ...

Dr. Phil Plait , aka "The Bad Astronomer" . ... Book Reviews . ... Bad Astronomy site . Dr. Plait's first book, Bad Astronomy, sold very well for a science trade, with over 20,000 copies moved. ... The review by astronomer and author Bob Berman for Astronomy magazine . ... A review in the book catalog for the National Science Teachers Association , the professional organization representing 55,000 science teachers . ... A review of the Bad Astronomy website in Science magazine . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Product Reviews . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Eicher book signing at Northeast Astronomy Forum . ... Book review submission guidelines . ... Astronomy Book Reviews . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... The bright supernova (hereafter SN) in the galaxy NGC 4527 was first sighted by S. Knight (USA) on April 13.17UT at magnitude ~14.0v. The report of the sighting was subsequently forwarded by phone to the AAVSO. ... SN 1991T. The galaxy NGC 4527 is an Sb(s)II type galaxy with an apparent Blue magnitude of 11.32 (Shapley-Ames, 1981). ... An analysis of this event utilizing visual observations by amateurs, plus a light curve is presented.. ... THE LIGHT CURVE: . ... ISN SN 1991T web page . ...

The Astronomical Journal welcomes new submissions at IOP Publishing . ... From: Andrew Wray < andrew.wray@iop.org > . ... On behalf of the IOP-AAS Project Team, I am delighted to announce that IOP Publishing is now processing all new submissions to the AJ. Submitting a new article . To submit a new article to the journal, go to http://authors.iop.org/aj , where you will find our beta version of the new AJ web submission site. ... Refereeing an article . ... IOP Publishing . ...

Located at the Hidden Hollow Campground, near Mansfield, Ohio. and counting.. ... For those of you who dislike the outdoorsy camping thing, or if you want a little privacy there are several hotels within 7 miles of Hidden Hollow . Located at the intersection of I-71 and State Route 13 (about 10 minutes from Hidden Hollow ‘02) : . ... HERE IS A MAP: This map is of Central Ohio surrounding the I-71 exit to Hidden Hollow. ... Map of Hidden Hollow Camp Grounds . ... Hidden Hollow 2002 Forms . ...

... Научная панорама ? arxiv:1001.1738 SDSS J1254+0846: двойной квазар, застигнутый в момент слияния . ... arxiv:1001.1738 SDSS J1254+0846: двойной квазар, застигнутый в момент слияния (Title: SDSS J1254+0846: A Binary Quasar Caught in the Act of Merging) . ... Впервые удалось обнаружить яркий двойной квазар, в которой ясно видно, что материнские галактики квазаров сливаются. ... Слияние Млечного Пути и Андромеды через несколько млрд.л может привести к двойному квазару. ...

... The authors compare different standpoints on historical process of ethnoses emerging and developing on the area of Ancient Russ and Great Steep: a) the concept of M.Adgi ("panturkism"), Turks ethnos was prevailing on the area; b) the concept of G.V. Nosovskiy and A.T. Fomenko ("paslavyaism"), the Slav ethnos was prevailing on the area; the concept of L.Gumilyev ("passionarnost" theory), the ethnoses were living together without dominating one over the other. ...

... NASA Integrated Services Network (NISN) . ... NASA NISN Security Policy . ... Incidents Of Misuse and abuse of the NASA Integrated Services Network by hack