Anonymous

That's not true. The air immediately over Kilauea's fissures is probably more than 100 C.

Anonymous

The real reason why there is 0 C (or even -40 C) air temperature on the planet earth, but there is no 100 C air temperature on the planet earth is b/c there is 100 C air temperature on the planet earth.

Anonymous

There is. You just have to look in the right places.

Anonymous

There is, when you are standing on top of an active lava flow like in Hawaii right now. It is like living in an OVEN.

Anonymous

Too far from the Sun.

Anonymous

Heat balance considerations. Energy enters, energy leaves. Lots of places on earth where temps exceed 100 C, but they aren't thin gas near the near-vacuum of space.