Perspective. If they are a 100 times closer then you think they are, they need to move at a 100 times lower speed to cover the same distance. So in stead of 2km per second, they would need to cover 20m per second: that is 72km/h, same speed of a airship.
In 1936 the Zeppelin could travel at a speed up to 135km/h, and that thing was 800 foot long. For a modern hybrid airship, I assume they can get closer to the 200km/h mark.
Jet streams vary in height of four to eight miles and can reach speeds of more than 275 mph (239 kts / 442 km/h ). Jet streams occur in both the Northern and Southern Hemispheres.
How are balloons able to move at several kms per second?
Perspective. If they are a 100 times closer then you think they are, they need to move at a 100 times lower speed to cover the same distance. So in stead of 2km per second, they would need to cover 20m per second: that is 72km/h, same speed of a airship.
The ISS moves 7,2km/s
By your logic it would have to move 252 km/h
No balloon can travel that fast.
Thats about how fast the upper jetstreams move.
In 1936 the Zeppelin could travel at a speed up to 135km/h, and that thing was 800 foot long. For a modern hybrid airship, I assume they can get closer to the 200km/h mark.
You would think that an 800 foot long zeppelin would be visible. Why isn't it?
How high up is the ISS?
Try googling it.
408 km
Do you agree?
The speed of the ISS is constant. How does that work?
Besides, is there a seperate jetstream for every sattelite? Must be or they would all have the same speed and direction.