China's first Mars mission is expected to be carried out by 2020.

中国的首个火星任务预计将在2020年完成。

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To counter these effects on a long-duration mission, say, Mars, astronauts will certainly need to create their own artificial gravity.

比如在火星上，为了在长期任务中对抗这些影响，宇航员肯定需要人为制造重力。

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China named its first Mars exploration mission Tianwen 1 on April 24, 2020, China's fifth Space Day.

2020年4月24日是中国第五个“航天日”，中国将其首次火星探测任务命名为“天问一号”。

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The Mars-500 mission at Moscow's Institute of Biomedical Problems will test the psychological and physical effects of long-term isolation on humans.

VOA: standard.2010.06.02

All communication with Earth will be via e-mail and will have as much as a 40-minute delay, like on a real Mars mission.

VOA: standard.2010.06.02

It might sound like a weird cross between a hollywood storyline and a Craigslist personal add, but non profit organization Inspiration Mars Foundation is seeking a man and a woman to take part in a 501-day mission to Mars.

ENGADGET: Alt-week 3.2.13: A mission to Mars, robosparrow and facial recognition in fertility treatment

After weeks of fruitless attempts to raise the lander by radio, JPL mission controllers appeared resigned to their second major failure on a Mars mission in three months, following the September loss of the Mars Climate Observer.

CNN: Technology - Will quiet Mars lander talk to Dutch radar dishes?

Currently, Nasa has small-scale studies but no plans for a manned mission to Mars.

BBC: Manned flight to Mars in 2014?