4 ms·
Satellites have to be placed in orbit by definition. To be in orbit at 20km of altitude you'd need to be flying at over 7km/s, so balloons can't argued to be sa
by alephxyz 4y ago
Satellites have to be placed in orbit by definition. To be in orbit at 20km of altitude you'd need to be flying at over 7km/s, so balloons can't argued to be satellites.