NASA's InSight Lander Successfully Touches Down On Mars
(CBS News) -- After a six-month voyage from Earth, NASA's InSight Mars lander reached the thin Martian atmosphere Monday afternoon to begin a nail-biting six-and-a-half-minute descent to the surface. After streaking through space at some 12,300 mph, it appeared to make a successful landing, kicking off a billion-dollar mission to probe the red planet's hidden interior..
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