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SpaceX launch: How long will it take to get Mars? How many light years | Science | News | Express.co.uk
NASA - National Aeronautics and Space Administration - Astronomers have measured the mass and size of a Mars-sized planet named Kepler-138b, orbiting a red dwarf star about 200 light years away. It's
How far is Mars away from Earth? How many days, weeks, months, or years would it take to get there? - Quora
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