officialy 62km (100 miles)
Far apart.
So far every planet has an atmosphere... i think.
Our moon orbits far, far, far beyond any part of Earth's atmosphere, so your answer is, "None".
The Troposphere is part of the Atmosphere. It is the layer closest to the earth.
As far a i remember 78%
90 000 000
90 000 000
The atmosphere is from the area just above the ground to 1200 miles above ground
In the Troposphere, or the lowest layer.
No. The surface of Venus is far too hot and the atmosphere far too dense and corrosive.
No... they're far too small to support an atmosphere.
No. The stars are well beyond the atmosphere and are not influence by Earth at all. The stars may look small in the sky but they are enormous, far larger than Earth and unimaginably far away.