I think the Russians might agree. Sputnik 2 was a major breakthrough in space exploration, although I feel Laika may not agree.
sputnik
Sputnik was a series of satellites built and launched by the then Soviet union. Sputnik 1 and 2 became the first two man made objects to attain orbit around the Earth.
Sputnik 1, the first man made object to orbit the earth. And we've been polluting like crazy up there ever since.
me
Russia
No. IT's man-made, artificial.
Sputnik I, launched on October 4, 1957, was the first man-made object to successfully achieve Earth orbit.It was followed by Sputnik II on Sputnik 2, on November 3, 1957.The first US satelllite was Explorer I, launched on January 31, 1958.
The first man made object put into Earth orbit.
Sputnik 1
Sputnik 1 was the first man-made object (officially known ) launched into trajectory. The first artificial satellite.
Sputnik was the first man made satellite to be put in space by man. The whole World took their hats of to the innovators of this achievement. The Americans were infuriated that the Russians beat them to it.
The first man-made object to leave Earth's atmosphere was the V-2 rocket launched by Germany on October 3, 1942.