The second satellite to be sent into Earth orbit was "Sputnik 2".
Explorer 1, launched in 1958.
Explorer 1-launched on Jan. 31, 1958
Earth
This is a very vague question. First what planets are you referring to? Second, define "satellites" - Earth's moon is a satellite, but so is every single rock orbiting Saturn. We also send man-made satellites to orbit other planets. Restate your question. And lurn2google.
No human has ever set foot on another planet
earth has never visited another planet
The New Horizons space probe was the first spacecraft to explore Pluto. The mission to the minor planet happened in 2015.
Sputnik was the first artificial satellite.
The Soviet Union was the first to launch a successful artificial satellite (Sputnik, 1957), the first to put a man in space (Yuri Gagarin, 1961), and the first to successfully land a spacecraft on another planet, Venus (Venera 7, 1970).
No. The first artificial satellite launched was the Russian satellite, Sputnik 1.
The first artificial satellite was the explorer one.
The USSR launched the first artificial satellite, Sputnik, launched i October 4 1957.
The first artificial satellite was Sputnik I, launched by the Soviet Union on the 4th of October 1957
The first artificial satellite in space was called the Sputnik. The Sputnik satellite was launched on the 4th of October, 1957. It belonged to the Soviet Union.
To date, there is no such thing as an artificial planet
The only artificial satellite launch to take place in 1975 was in India. This satellite was called Aryabhata. Sputnik was the very first artificial satellite to be released, it took place on October 3, 1957.
Research or propaganda. Sputnik 1 was the first artificial satellite in space. Extreemly expensive propaganda! It was the first step by the USSR to putting a man in space.
arayabatta
The first artificial satellite was "Sputnik", launched into orbit by the Soviet Union.