Earth has internal energy due to radioactivity. I am not sure what you mean by radioactive external energy, or simply by external energy. Earth gets most of its energy from the Sun.
geothermal energy
pressure
HAZE
From radioactivity in the Earth's interior.
Earth has internal energy due to radioactivity. I am not sure what you mean by radioactive external energy, or simply by external energy. Earth gets most of its energy from the Sun.
geothermal energy
pressure
HAZE
earth's internal heat
earth's internal heat
The Sun and the earth's internal heat
Energy can enter the earth system from internal sources through convection and from external sources through radiation from the Sun (solar energy).
From radioactivity in the Earth's interior.
The Earth system is powered by energy from two major sources: the Sun and the planet's internal heat.
Volcanoes
The sun