It is taking with it a special microchip with our names on it!
We went onto this website and filled out the form all by ourselves. Then it gave us a special number and made us a certificate of participation saying we were part of history!
We printed our certificates to take home. If you would like your name to go to Mars you can visit the same NASA website we went to here:
Here is a copy of what our certificates look like (this is Rachel's one)