Keywords: Tsiolkovsky Window.png en From Tsiolkovsky's 1933 paper Album of Space Travel manuscript page 43 drawing of floating people looking at stars through a window Tsiolkovsky_Album_43 jpg 2008-09-24 18 18 UTC derivative work Wronkiew <span class signature-talk >talk</span> Tsiolkovsky_Album_43 jpg Konstantin Tsiolkovsky 1857 1935 1933-06-21 Cropped masked added transparency Wronkiew Tsiolkovsky_Album_43 jpg PD-old original upload log This image is a derivative work of the following images Image Tsiolkovsky_Album_43 jpg licensed with PD-old 2008-09-23T19 21 43Z Wronkiew 764x1060 650389 Bytes <nowiki> Summary en From Tsiolkovsky's 1933 paper Album of Space Travel manuscript page 43 drawing of floating people looking at stars through a window Russian Academy of Sciences </nowiki> Uploaded with derivativeFX Konstantin Tsiolkovsky Pencil drawings Weightlessness in art |