But there are a couple of serious snags.įirstly, when on Mars their bodies will have to adapt to surface gravity that is 38% of that on Earth. The company, Mars One, plans to send four astronauts on a trip to the Red Planet to set up a human colony in 2023.
On Monday, 17 years after the pioneering astronomer set out his hopeful vision of the future in 1996, a company from the Netherlands is proposing to turn Sagan's dreams of reaching Mars into reality.
