Half of any sphere (a rounded solid) is called a hemisphere.
Why would there be only half a planet?
a semisphere
Within our own solar system, some view Pluto as being a double planet with it's moon Charon (which is half it's size).
Planet Half-Life was created in 1999.
becuz half our earth is 80% water and the water has salt in it you dummys
There is no planet that is called the "glossy planet".
Mercury is the smallest planet, so there isn't one with half the diameter.
Centaur
Centaur
yes
The center of the planet is called the "core."
The planet Uranus is called an ice giant planet.