The Sun
Appearance
The Sun is a G-type main-sequence star located at the center of the Solar System. It is the primary source of gravitational influence and electromagnetic radiation for the system’s planets and smaller bodies.
The Sun is discussed in stellar physics, heliophysics, and solar astronomy.
Status
The Sun is continuously observed using ground-based and space-based instruments. Models of its internal structure, energy generation, magnetic activity, and long-term evolution are actively maintained and revised.