Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

... 24 } Line { SrcBlock sin SrcPort 1 DstBlock func1 DstPort 1 } Line { SrcBlock Fcn SrcPort 1 Points [0, -55] DstBlock func DstPort 1 } Line { SrcBlock (G*M) ^1/2 SrcPort 1 Points [25, 0] DstBlock func DstPort 3 } Line { SrcBlock func SrcPort 1 Points [40, 0] Branch { ...

Stellarium 0.12.3 . ... Classes . ... ScreenImage Class Reference . ScreenImage (const QString &filename, float x, float y, bool show=false, float scale=1., float alpha=1., float fadeDuration=1.) Load an image. ... virtual voidљ . ... setFadeDuration (float duration) . ... the time it takes for screen images to fade in/out/change alpha in seconds. virtual void ScreenImage::addXY . ... Set the duration used for the fade in / fade out of the image. virtual void ScreenImage::setFlagShow . ...

THE RELATIVE MONTHLY MEAN SUNSPOT NUMBER ON JUNE 2015 HAS MADE Wjune = 68.3, THAT GIVES FOR 71 MONTHS (2014, DECEMBER) DEVELOPMENT CURRENT 24 CYCLES OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*dec. = "63.8" (93.3 - http://www.sidc.be/silso/newdataset) - On July 1, 2015 Centre in Brussels moved to a new system of cal- culation the relative number of sunspots and practically all of the values were replaced throughout the numbered series of Wolf numbers (see link). ...

International Q-Days and D-Days ---------------------------------------------------------------------------- Classification of Days (deduced from Kp indices) The selection of the quietest days (Q-days) and most disturbed days (D-days) of each month is deduced from the Kp indices on the basis of three criteria for each day: 1. ... In order to indicate such a situation, selected days which do not satisfy certain absolute criteria are marked as follows. ...

... Home Lectures Lecture Series 2015-2016 . ... Lecture Series 2014-2015 . ... Beyond New York City . ... The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the public. ... Amateur Astronomer Association is pleased to announce we will be offering select, limited reserved seating for current AAA members for the Friday, January 8, 2015 AAA Lecture entitled Robert Nemiroff ?2015 Astronomy Picture of the Day?. ...

... Space flight . ... Simulators . ... Space camp . Space Hotel . ... Virtual reality-based stand for ISS crew training is used for cosmonauts pre-training preparation at different stages of training for the space flight. ... At present cosmonauts and astronauts can work both with the SM and FGB images independently and having them in mated state. ... Info: Industry news On-line Data Company ATLAS news Events We in press Contact . Copyright 2000-2016 ATLAS Aerospace . ...