One year ago today, the Curiosity rover began to (slowly, slowly) explore Mars.
On July 15th, 1965, Mariner IV sent back the first close-up pictures of Mars. Check out the history of Mars missions!
The Space Shuttle Atlantis flew its 33rd mission, marking the end of the U.S. shuttle program, two years ago today.
It cost around $2.5 billion to send Curiosity to Mars. That’s kind of a bargain if you consider that a line of dollars, laid end-to-end from Earth to Mars, would add up to $1.6 trillion.
Learn about this and other fun calculations done with the dollar on our blog.
Woo! The Mars rover successfully landed! Learn more about Curiosity and past rovers on our blog.