It is called the atmosphere.
The gaseous sphere surrounding Earth is called the atmosphere. It is composed of different layers of gases that help regulate temperature, protect against harmful radiation, and support life on our planet.
atmosphere
The Ozone Layer
Atmosphere.
If you mean, thin layer of air, or thin gaseous layer surrounding the earth then the answer is; Atmosphere. But if not, then the other thin layer of earth is; The crust, but its a solid layer.
a sphere is called a sphere because , well , its just a other name for a ball such as the earth.
Half of a sphere is called a "hemisphere". For example, on Earth, the northern hemisphere is everything north of the equator.
Luna (or the Moon).
You are living on it and it is called Earth which is a spherical shape
A sphere looks like a circle from any angle or direction. (That's one of the ways people knew that the Earth is a sphere ... every time there's a lunar eclipse, the Earth's shadow always has a circular shape when the moon crosses through it, no matter which way the Earth is turned.)
The ancient Greek philosopher Pythagoras is credited with being the first person to suggest that the Earth is a sphere and that it rotates around its axis.
Ozone gas :-0