The Sun's core.
The Sun's center, or core.
There is no such thing. The Sun has a center, generally called its "core"; the center of an atom is called a "nucleus". The Sun has many, many atoms in its center, each with its nucleus.
It's called "the sun".
The Sun is at the center of the Solar System. the SUN is the centre of our solar system.
The center of the sun is called the core. :)
The theory that the Sun revolved around the Earth (i.e. that the Earth is the center) is called Geocentricity. The theory that the Earth revolves around the Sun (i.e. that the Sun is the center) is called Heliocentricity.
That idea is called heliocentric.
No, the sun does not orbit a black hole in the center of our galaxy. The sun orbits around the center of the Milky Way galaxy, where there is a supermassive black hole called Sagittarius A.
They are called photons.
The giant streams of exploding gas on the sun are called prominences. The sun is at the very center of the solar system.
The star in our solar system is called the Sun. It is a yellow dwarf star located at the center of our system.
As far as I know, the sun is always the center of a solar system unless there is something with a greater mass very close by. I believe it would just be called a solar system. 2nd Answer: Good answer! It also could be called a 'heliocentric' model. Heliocentric means, "Sun at the center".