Heliocentric.
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A sun-centered solar system is called a heliocentric solar system. In a heliocentric system, the Sun is at the center and the planets, including Earth, orbit around it. This model was proposed by Nicolaus Copernicus in the 16th century, replacing the earlier geocentric model where Earth was believed to be the center of the universe.
The galaxy in which our solar system is located is called the Milky Way
There is only one Star in our Solar System - it is called the Sun.
The star in our solar system is called the Sun. It is a yellow dwarf star located at the center of our system.
Yes, our solar system is part of the galaxy which is called The Milky Way.
Our star's name is Sol - that's why it's called the solar system.