Tags: Artificialsatellite, Satellite.
Tyazhely Sputnik (Russian: Тяжелый Спутник meaning Heavy Satellite) also known by its development name as Venera 1VA No.1 and in the West as Sputnik 7 was a Soviet spacecraft which was intended to be the first spacecraft to explore Venus. Due to a problem with its upper stage it failed to leave low Earth orbit.