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8 animals that have traveled in space

By: Katherine Butler on March 23, 2011, 11:40 a.m.
Chimp strapped in space seat

Photo: NASA

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Space pioneers

The road to space for humans was paved by animals. Long before the first lunar landing, dogs, chimps and monkeys flew beyond our atmosphere to test the influence of space on living organisms. And while most of them returned unharmed, some did not. This chimp was part of NASA's decision to orbit a chimpanzee "as a necessary preliminary checkout of the entire Mercury programme before risking a human astronaut."

Here’s a look at some of the animals that paved the way for human space flight.