John Glenn's Mercury mission lasted for 4 hours, 55 minutes, and 23 seconds. In this time, he was able to orbit the Earth three times.
Glenn also was able to orbit the Earth on board the space shuttle Discovery three decades later, adding 8 days, 21 hours, 44 minutes, 56 seconds to his time in space. This trip, each orbit took 96 minutes.
4 Hours and 55 Minutes.
Earth takes 24 hours and Mars takes 24 hours and 37 minutes
1962
John Glenn was the first American to orbit the earth. The previous US flights had been sub-orbital. Yuri Gagarin of the USSR had earlier been the first human to orbit earth.
He didn't. John Glenn was the first person to orbit the Earth.
4 Hours and 55 Minutes.
John Glenn was the first American to orbit the earth.
Earth takes 24 hours and Mars takes 24 hours and 37 minutes
in space
Glenn, the first American to orbit the Earth, travelled at roughly 17500 mph (28000 kph) in his Friendship 7spacecraft, circling the globe 3 times during a flight lasting 4 hours, 55 minutes, and 30 seconds.
1962
John Glenn was the first American to orbit the earth. The previous US flights had been sub-orbital. Yuri Gagarin of the USSR had earlier been the first human to orbit earth.
He was the first American to orbit the earth.
John Glenn was the first American to orbit the Earth on Febuary 20, 1962 :)
He didn't. John Glenn was the first person to orbit the Earth.
first american to orbit earth.
because he felt like it