__ PASADENA, Calif. — The future of NASA’s exploration of Mars now comes down to a struggle between gravity and a half-million lines of computer code. Currently snug in an interplanetary spacecraft, the plutonium-powered rover called Curiosity will end its eight-and-a-half-month journey from Earth on Sunday, plowing into the Martian atmosphere at 13,000 miles per …
Open Thread: “Seven Minutes of Terror” at NASAPost + Comments (166)