Sun
Star (our Sun) · Star at the centre of the Solar System

About the Sun
It is about 1,391,000 km across.
The map lists it as a star (our Sun) and shows it in the Solar System part of the map, drawn on the plane of Earth’s orbit (the ecliptic).
Key numbers
| Mass | 1.99 × 10³⁰ kg |
|---|---|
| Radius | 695,700.0 km |
Where it is
Its place in the universe, from the inside out: Solar System › Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: Inner planets, a view about 4 AU across.
From Wikipedia
The Sun is the star located at the centre of the Solar System. It is a massive sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation, with 10% at ultraviolet energies.
Excerpt from the Wikipedia article Sun, licensed CC BY-SA 4.0.