voyager 1
Telstar
Explorer
eplorer
Explorer 1 (1958 Alpha 1) was the first Earth satellite of the US.
The Soviet Union put "Sputnik" the first satellite in orbit, and the US saw their superiority as a threat and had to catch up.
Who tried first isn't known, but the then Soviet Union were the first to succeed in getting a satellite into orbit
voyager Explorer 1 was the first US satellite to orbit the earth. It was proceeded by two Soviet Sputnik satellites.
Dwight Eisenhower was the President on January 31, 1958 when the first US earth satellite, Explorer I, went into orbit.
I don't know who attenpted the first failed launch, but the first artificial satellite that successfully achieved orbit was Sputnik-1, launched from the USSR in October, 1957.
Explorer 1 was the first US object to be launched into Earth Orbit January 31st, 1958.
Who tried first isn't known, but the then Soviet Union were the first to succeed in getting a satellite into orbit with the sucsessful launch of Sputnik 1As a result, President Kennedy made his famous speech that promised to put an American on the moon in 10 years time.
The launching of the satellite Sputnik, the first satellite in the world.