After a trip of six and a half years, NASA’s Messenger spacecraft will finally pull into orbit around Mercury, and a rover the size of an S.U.V. is expected to land on Mars.
NYT > Technology
For NASA, Closer Looks at Mercury and Mars
After a trip of six and a half years, NASA’s Messenger spacecraft will finally pull into orbit around Mercury, and a rover the size of an S.U.V. is expected to land on Mars.
NYT > Technology
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