Six carefully selected scientists have entered a man-made dome on a remote Hawaii volcano as part of a human-behavior study that could help NASA as it draws up plans for sending astronauts on long missions to Mars. ...
They will have no physical contact with people in the outside world and will work with a 20-minute delay in communications with their support crew, or the time it would take for an email to reach Earth from Mars.An email can travel from Mars to Earth in 20 minutes.
It took at least a couple of hours for an email sent to or from a federal inmate to reach its destination here on Earth, no matter how innocuous the contents.
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