how long do gliders stay in the air
Gliding Glider pilots can stay airborne for hours by flying through air that is ascending as fast or faster than the glider itself is descending, thus gaining potential energy.[17] The most commonly used sources of rising air are
List of spaceflight records NASA astronaut Peggy Whitson holds the record for the longest single spaceflight by a woman when she surpassed Italian astronaut Samantha Cristoforetti's 199 days, 16 hours during Expedition 52 in 2017. She returned to Earth in September 2017, having spent 289 days, 5 hours and 1 minute in space.[25][26] In third place is American astronaut Sunita Williams with 195 days[27][28] on the ISS, where she was a member of Expedition 14/Expedition 15 (2006â€“2007).