A flyby of Mars in 2021 could be a good precursor to landing astronauts on Mars sometime in the not-too-distant future, but much work needs to be accomplished before that goal can be achieved, experts told Congress Thursday (Feb. 27).

Private Mars Flyby Mission in 2021 Needs NASA's Help, Experts Tell Congress (Video)
A private manned Mars flyby mission in 2021 could be an inspiring precursor to landing astronauts on the Red Planet's surface in the not-too-distant future, but much work needs to be accomplished before that goal can become a reality, experts told Congress Thursday (Feb. 27).
The Inspiration Mars Foundation, led by the world's first space tourist Dennis Tito, aims to launch a pair of adventurous space explorers on a flyby of Mars in just seven years. That 2021 launch target takes advantage of ...
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