Vanguard 1: The 1st Solar power Satellite Launching date - March 17, 1958 Power mode - Solar electric power launching vehicle - Three stage launching vehicle IMAGE COURTESY- Wikipedia It was the fourth Artificial satellite in the earth's orbit after Sputnik 1, Sputnik2, Explorers1. It was an American satellite. Satellite lost its contact with the headquarters in 1964 but till today it is orbiting Earth. Purpose of launching - It was launched for testing a three-stage launching vehicle and the effects of space environment on the satellite along with the effects of Earth's orbit.
Welcome to the INCREDIBLE SPACE COSMOS here you will find all the facts , knowledge , news , about space. Cosmos is a deep mystery and from centuries our understanding about cosmos has been growing and the space company ISRO and NASA playing major role in reading and unwinding this mystery. Space is not only a space it is oceans of oceans deeper deeper to the depths of cosmos we will know about it and also how EARTH and other planets , galaxies , stars, etc are formed over this entire journey.