FILE - Jared Isaacman, left, and Hayley Arceneaux prepare to head to launchpad 39A for a launch on a SpaceX Falcon 9 at the Kennedy Space Center in Cape Canaveral, Fla., Wednesday Sept. 15, 2021. New research presents the largest set of information yet regarding how the human body reacts to spaceflight. FILE - A SpaceX Falcon 9 lifts off with four private citizens from pad 39A at the Kennedy Space Center in Cape Canaveral, Fla., Wednesday Sept. 15, 2021.
A three-day chartered flight in 2021 gave researchers the chance to examine how quickly the body reacts and adapts to spaceflight, said Susan Bailey, a radiation expert at Colorado State University who took part in the research.Boeing launches NASA astronauts for the first time after years of delays