The Top 10 Everything of 2011

In 54 wide-ranging lists, TIME surveys the highs and lows, the good and the bad, of the past 12 months

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1. An SUV Heads to Mars

Top 10 Space Moments Technicians look over the Mars Science Laboratory (MSL) Curiosity rover during inspections at the Jet Propulsion Laboratory in Pasadena, Calif.

NASA / JPL / Reuters

Think the existing Mars rovers or the lunar dune buggies from the Apollo days were fun? Wait till Curiosity — an SUV-size rover that left Cape Canaveral in November — arrives on Mars on Aug. 6. The rover will be the biggest, most capable machine on the Red Planet by far, and it will get there in an improbable way — plunging through the Martian atmosphere, slowing itself down with parachutes and air resistance and then being lowered by cables from a hovering propulsion shell. A first act like that will be hard to follow, but the second act — at least two years of Martian exploration — will probably be more than up to the job.