The mighty Mars rovers
The story of the two robot vehicles, Spirit and Opportunity, that were sent to explore Mars, lasting far past their projected lives of three months and sending back invaluable images of the environmentally hostile planet.
The story of the two robot vehicles, Spirit and Opportunity, that were sent to explore Mars, lasting far past their projected lives of three months and sending back invaluable images of the environmentally hostile planet.
HMH Books for Young Readers · ISBN 9780544932463
Houghton Mifflin Harcourt Publishing Company · inglés · ISBN 9780544115545
Houghton Mifflin Harcourt · inglés · ISBN 9780547478814
Houghton Mifflin Harcourt Publishing Company · inglés · ISBN 9780547822808
