3 ms·
I wondered about this too. But even balloons are maneuverable in some sense, by changing their altitude. So maybe the meaning is more like "didn't maneuver in
by mulmen 4y ago
I wondered about this too. But even balloons are maneuverable in some sense, by changing their altitude. So maybe the meaning is more like "didn't maneuver in response to our presence".
- zardo 4y ago> But even balloons are maneuverable in some sense, by changing their altitude. Most balloons are not equipped to actively change their bouyancy.
- cdot2 4y agoEspecially because the high altitude stuff are generally zero pressure balloons
- sandworm101 4y agoYou can use propellers to move up and down too. The buoyancy of a fixed amount of helium doesn't drop/rise much with altitude changes. It isnt like submarines. The needed vertical thrust to move a few thousand feet is minimal.