About 9000 planes fly at the same moment
door stops or playground slides
The fuel for single eninge planes costs around $5 a gallon.
it can fly
two planes intersect in one line, or the planes could be parallel. by the way there is no such thing as skew planes...
forget it
Yes, jet planes are that - planes, whereas airlines usually refers to a company that uses planes to ferry people around.
Air All Around Us - 1948 was released on: USA: 15 April 1948
The satellites of Uranus revolve around the planet in planes almost perpendicular to its orbit.
About 9000 planes fly at the same moment
only 2000 planes take off
Around 11km
No because the air around the plane has pressure. If two planes take off at the same time the planes will crash. The planes might crash if they land at the same time.
It has become easier. There are now more vehicles and even planes to get people across town or the country whenever they want.
airbus planes are built around Europe and shipped to large hangers in Toulouse, France of final construction.
i agree, but there is more. One is that planes don't have to go around buildings, mountains, etc.
The population of the United States in 1948 was around 146 million people.