NPR logo VIDEO: After 520 Days, 'Astronauts' Emerge Following Fake Mars Mission

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VIDEO: After 520 Days, 'Astronauts' Emerge Following Fake Mars Mission

Fast-forward to about the 3-minute mark in this video if you want to see the moment when six men who had lived together in a mock spaceship for 18 months emerged today in Moscow.

European Space Agency YouTube

As Eyder wrote Thursday, the "$15 million project, dubbed Mars500, is a serious experiment commissioned by the European Space Agency" designed to see how humans would do on an 18-month journey to Mars.

According to the ESA, the international crew of three Russians, two Europeans and one Chinese:

"Performed exceptionally well. They have kept together and showed that motivation and team spirit can keep humans going under very difficult conditions. Scientists are pleased at their exceptional discipline."