Bc we can learn alot about our own planets past and future by learning about other planets. You never know what we could find. Plus many of the planets out there have minerals that we dont or that were running out of that could possibly help us out greatly.To me its important to try to get as much information as we possibly can about our world and all the worlds out there.
rebgirl420 Reviewed by rebgirl420 on . Do U want to spend your tax $$$, so that NASA sends icedigger, to find life on Mars? NASA sends ice-digger to find life on Mars - Yahoo! News Rating: 5