... Bad Astronomy . ... Bad Astronomy : The Moon appears larger on the horizon than overhead because you are comparing it to foreground objects. Good astronomy : The Moon does appear larger on the horizon, but it is because of the way we perceive the sky. ... The most common misconception is that it is because you are unconsciously comparing the Moon to foreground objects like trees and houses, or even the horizon itself, and that makes the Moon look bigger than when it is all alone in the sky. ...

Еще в разделе: (Показать все результаты (>427) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Bad TV
• Phil Plait's Bad Astronomy: Info
• Phil Plait's Bad Astronomy: Misconceptions: Astrology

Reciprocity relation in checking calculations of the optical properties of non-spherical particles V.G. Farafonov St.Petersburg University of Aerocosmic Instrumentation, St.Petersburg, 190000, Russia and V.B.Il'in Astronomical Institute, St.Petersburg University St.Petersburg, 198504, Russia ABSTRACT There are many methods to solve the problem of light scattering by non-spherical particles , but only the separation of variables method ( ... Michel B., Farafonov V.G. (2000) J. Quant. ...

Еще в разделе: (Показать все результаты (>257) - www.astro.spbu.ru/ )

• Database of Optical Constants -- Misc: SVM code(s)
• Separation of variables method

... 2. (a) Metallicity function and relations between (b) metallicity and radial velocity, (c) metallicity and maximum distance from the Galactic plane,and (d)metallicity and variability period for RR Lyrae variables in the initial sample.The curve in the first graph is the maximum-likelihood approximation of the distribution using a sum of two normal curves with the indicated means,dispersions,and total numbers. ... next figure | privious figure . ...

Еще в разделе: (Показать все результаты (>46) - ip.rsu.ru/ )

... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

Еще в разделе: (Показать все результаты (>2637) - www.armaghplanet.com/ )

• Exploring Icy Moons in Search of Life | Astronotes
• Asteroid Apophis-Doomsday Postponed | Astronotes
• NGC4666: Secrets of a Starburst Galaxy | Astronotes

. The contents you are looking for have moved. You will be redirected to the new location automatically in 5 seconds. Please bookmark the correct page at http://www.indiana.edu/~wmhelp/new-directory

Еще в разделе: (Показать все результаты (>6) - www.planetarium-cc.ru/ )

... A new bright LBV (Luminous Blue Variable) star was detected in M33 galaxy. LBV stars are the most massive stars in the final stages of evolution before exploding in of supernovae. ... The new LBV star (Fig.1) is the seventh in M33. ... It is one of the brightest LBV stars of the M33 galaxy. ... The brightest object is the core of the galaxy, - a compact star cluster comprising a supermassive black hole. The new LBV star N93351 is located down and to the left from the core. ...

Еще в разделе: (Показать все результаты (>222) - mavr.sao.ru/ )

• Detection of Radio Transients and Variable Radio Sources Using the Archive Data
• Metagalaxy sector, archive 2015

... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... The Meade 07348 Variable Projection Tele-Extender for LX Models requires the Meade 07182 eyepiece holder and offers different focal ratios while creating eyepiece-projection photography. ... The Meade 07348 Variable Projection Tele-Extender for LX Models comes with a 1-year limited warranty. ...

Еще в разделе: (Показать все результаты (>2484) - www.meade.com/ )

• Variable Projection Tele-Extender - General Accessories - Accessories -...
• Variable Projection Tele-Extender - Accessories - Products
• Meade Series 4000 #905 Variable Polarizing Filter (1.25")

. Sergei and keyboard, photo by A.Yuferov .

Еще в разделе: (Показать все результаты (>246) - lnfm1.sai.msu.ru/ )

• Отдел Изучения Галактики и переменных звезд
• IDL programs
• Division of the Galaxy and Variable Stars

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . The Amateur Astronomers of Central Iowa is a small nonprofit amateur astronomy club located near Marshalltown in Central Iowa. ... Listed Since February 14, 1999 . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

Еще в разделе: (Показать все результаты (>1214) - www.astronomy.net/ )

• Looking For $2500 Monochrome Camera - an Astronomy Net CCD Equipment and
• New Millennium Is When? - an Astronomy Net Article
• Finding Himalia, The Fifth Brightest Moon Of Jupiter - an Astronomy Net Article

sample1d - Resampling of 1-D data sets sample1d infile [ -Fl|a|c ] [ -H [ nrec ] ] [ -I xinc ] [ -M [ flag ] ] [ -N knotfile ] [ -S xstart ] [ -T x - col ] [ -bi [ s ][ n ] ] [ -bo [ s ] ] sample1d reads a multi-column ASCII [or binary] data set from file [or standard input] and resamples the timeseries/profile at locations where the user needs the values. ... Default is the separation between the first and second abcissa point in the infile ] -M Multiple segment file. ... Default is '>']. ...

Еще в разделе: (Показать все результаты (>701) - xray.sai.msu.ru/ )

• Periodic radiosource LSI+61 303
• Directory listing of /rel/home/mystery/WWW/local
• xmgr: Help (draft)

... GCVS:Description . GCVS Query form . ... The combined table of GCVS Vols I-III and NL 67-80 with improved coordinates ( files ) Version: Sep., 2015 . ... GCVS Vol.V. Extragalactic Variable stars ( files ) . ... NL81 part 2 ( files ) . ... Variable Stars in Plaut's fields ( files ) . ... Samus N.N., Durlevich O.V., Goranskij V.P., Kazarovets E. V., Kireeva N.N., Pastukhova E.N., Zharova A.V., General Catalogue of Variable Stars (Samus+ 2007-2015), VizieR On-line Data Catalog: B/gcvs . ...

Еще в разделе: (Показать все результаты (>121) - sai.msu.ru/ )

• Future Prospects of Variable-Star Catalogues
• GENERAL CATALOGUE OF VARIABLE STARS
• Index of /groups/cluster/gcvs/gcvs/iii

To see a Russian version of this page, click here . ... Graduated from Moscow State University (MSU), Faculty of Physics in 1976. Ph.D. degree - 1988, MSU. Main field of scientific activities: photometric investigations of various stars, close binary stellar systems and other astronomical objects, including research with use of fast photoelectric photometry with a high time resolution till 1 millisecond. ... New portable photometer . ... Send your mail to: tem@sai.msu.ru ...

Еще в разделе: (Показать все результаты (>55) - uranus.sai.msu.ru/ )

• Stellar Astrophysics Department
• Tatjana Khruzina