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St. Louis Science Center: Astronomy Fact Of The Day: February 21, 2022
On this date in 1964, American astronauts Mark and Scott Kelly were born. Mark and Scott are twins who were a part of a NASA experiment ...
February 21, 2022
On this date in 1964, American astronauts Mark and Scott Kelly were born. Mark and Scott are twins who were a part of a NASA experiment to test the long-term effects of spaceflight on the human body. Scott was chosen to spend a year in space on the ISS, while Mark remained on Earth to be a genetically matched control. This experiment allowed scientists to understand if humans can make long duration flights to places like Mars.
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This press release was produced by St. Louis Science Center. The views expressed here are the author’s own.
