The mass of Mars in Mars Bars.
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.
The Olympus Mons (a volcano on Mars) would extend 8 miles above sea level if it were dropped into the Marianas Trench (the deepest part of the world’s ocean).