Hugh Bollinger / Wednesday, May 25, 2011 / Categories: Uncategorized Silent Spring When Rachel Carson wrote her seminal book-- Silent Spring --she was referring to the lack of birds singing in American forests caused by the effects of chemicals in their environment. Another "silent spring" has occurred but this time to the Mars Spirit rover which was just declared dead by NASA. [caption id="attachment_4328" align="aligncenter" width="265" caption="Mars Spirit rover. photo credit: JPL/NASA"][/caption] Spirit and its companion rover Opportunity were only designed to operate for three months but have now survived multiple years after landing on Mars in January 2004. The dual robots showed the planet as a real place where discoveries unfolded almost daily as they wandered about the red landscape. Spirit may be stuck dead in a Martian sand dune but Opportunity continues rolling off towards the large crater, Endeavor, where more discoveries are sure to happen. Stay tuned! WHB Previous Article Bears in space Next Article How to Pick Your Pet Print 23 Rate this article: No rating Tags: NASA JPL Mars exploration Opportunity rover Silent Spring Spirit rover Related articles Climate Time Machine Ingenuity, a Mars-copter Atmospheric Change, Amplification, and Denialism Tsunami's from the Sun Tatooine-like Planet Discovered Please login or register to post comments.