- Mars One announces 100 candidates for Mars colony
- First launch is planned for 2024, to land in 2025
- There are doubts over the feasibility of the project, but "pioneers are always ridiculed," says Mars hopeful Alison Rigby
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(CNN)Mars One, a group that plans to send humans on a one-way trip to Mars, has announced its final 100 candidates. They have been selected from 200,000 applicants and will go on to further testing later this year, which they expect to include team-building exercises and later, isolation.