What do you know about American space exploration?

For millennia, humans have gazed at the skies and pondered the mysteries beyond, but only in the last half century have humans actually gone up and brought back some answers. Test your knowledge of how the U.S. space program made that journey.

Jul '13 v 1,106 completed

Question 1 of 10


What was the name of the satellite launched by Russia in 1957 that started the space race with America?