Space Junk
According to a study released by the National Research Council, more than 4,500 spacecraft have been launched into space since 1957 and, although nearly 2,200 of them remain in orbit, only 450 still are functional.
Cutest Animals
According to a study released by the National Research Council, more than 4,500 spacecraft have been launched into space since 1957 and, although nearly 2,200 of them remain in orbit, only 450 still are functional.