The sun is the main source of energy on earth.
We get most of our energy from sunlight.
the sun
On Earth, the greatest source of thermal energy would be at the earth's core.
Sunlight
The sun
The sun
Sunlight
We get most of our energy directly or indirectly from the Sun.
the sun
the sun
This is the thermal energy from sun.
The fundamental source of energy on Earth is the sun. Solar energy is the primary driver of most natural processes and life on our planet.