Urmy, you need to check a little more on some of your facts; the cost for maintaining the Hubble right now is roughly equivalent to the cost of the postage that will be expended on the Mars project (g). Also, try googling the Hubble, you will find some very interesting facts you are not aware of regarding the value and usefulness of the project.
Unless and until we re-engineer critical sectors of U.S. society, many millions of children will suffer needlessly--from my general and political commentary blog: www.thinkwecan.com