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6 hours ago · For 20 people, this would translate to 6,000 to 14,000 houseplants or 340 to 380 mature trees. Alternatively, a leaf gives off about five millilitres of oxygen per hour, and a person needs about 10,000 leaves or 700 potted plants to stay alive in an airlock.
1 day ago · The NASA astronaut knocks loudly three times on a what appears to be a nondescript door, and calls cheerfully: "You ready to come out?"The reply is inaudible, but beneath his mask he appears to be grinning as he yanks the door open -- and four scientists who have spent a year away from all other human contact, simulating a mission to Mars, spill out to cheers and applause.
6 hours ago · Science. 'Ready to come out?'. Scientists reemerge after year 'on Mars'. In this still image taken on 6 July 2024, NASA TV broadcast, volunteer crew commander Kelly Haston speaks alongside crewmates (L-R) Ross Brockwell, Nathan Jones and Anca Selariu, as they exit the first simulated yearlong Mars habitat mission at Johnson Space Center in ...
6 hours ago · In this still image taken from a July 6, 2024, NASA TV broadcast, NASA astronaut and deputy director, Flight Operations Kjell Lindgren (C) ... An outdoor area, separated by an airlock, ...
1 hour ago · Premium In this still image taken from a July 6, 2024, NASA TV broadcast, NASA astronaut and deputy director, Flight Operations Kjell Lindgren (C) speaks as volunteer crew members (L-R) Kelly ...
6 hours ago · Scientists reemerge after year 'on Mars'. By Agence France-Presse Published Jul 07, 2024 9:16 am. Jose ROMERO / NASA TV / AFP. The NASA astronaut knocks loudly three times on a what appears to be a nondescript door, and calls cheerfully: "You ready to come out?" The reply is inaudible, but beneath his mask, he appears to be grinning as he yanks ...
6 hours ago · On July 7, 2024, 2:42 AM. After a year, four scientists in the United States on Saturday ended an experiment that simulated life on Mars. To loud applause, the four volunteers left NASA-built Mars Dune Alpha, where they had spent the past 378 days completely isolated from the outside world. The 160-square-meter structure at the Johnson Space ...
