... Dnepr Cluster Mission 2013 19 June 2014. ... The SC actual injection accuracy was assessed by comparison of the nominal design orbit, with the account for disturbances at separation, and the actual orbit determined on the basis of: . ... With reference to the above data, one can see that deviations of the THEOS osculation orbit parameters at the time of SC separation during Dnepr launch on October 1, 2008 did not exceed the prediction the THEOS SC was launched with high accuracy. ... Mission profile...

... The fireball flew on February 15, 2013 at 09:22 (03:22 UTC) in Chelyabinsk region at supersonic speed and with bright flashes of light along the trajectory of the NEE-SWW( Chelyabinsk-Miass-Satka ). ... On March 21, 2013 at 14:00 Sternberg Astronomical Institute (SAI MSU) held joint seminar organized INASAN, IDG, Vernadsky Institute, IKI RAS and SAI MSU for the results of meteorite Chelyabinsk study. ... Russian scientists of Vernadsky Institute analyse Chebarkul/Chelyabinsk Meteorite ( Vesti.Ru ) ....

... 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?. ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...