why is that ?
They are low earth orbit satellites. Generally, the lower the orbit, the faster they decay. You could also argue that this is a benefit in that they gain updated technology with each replacement.
The operational lifetime of their satellites is about 5 years.
Because they fall back to the ground…
low earth orbit
because of gravity
They are low earth orbit satellites. Generally, the lower the orbit, the faster they decay. You could also argue that this is a benefit in that they gain updated technology with each replacement.