It was an artificial satellite that went into orbit around the earth
the 2 in Sputnik 2 means it is the second to be built.
Yes, both were launched from the Baikonur Cosmodrome.
Sputnik-2
The dog, Laika, died due to temperature increase.
Sputnik Monroe went by Pretty Boy Rocque.
Sputnik 2 has been in space for sixty (60) days.
Sputnik 2 was a solid object which was conical is shape. Solid objects do not have perimeters.
They were unmanned, although Sputnik 2 carried a dog into space.
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Sputnik 1 only housed some electronics, while Sputnik 2 held a dog called Laika.
A Russian dog, Laika was the first animal in space, in Sputnik 2 in 1957
The name of Laika's spacecraft was Sputnik 2. She was the first living being to orbit the Earth in this spacecraft in November 1957.