Sun Life Centre was created in 1984.
Sun Yuen Long Centre was created in 1993.
Centre for Life was created in 2000.
Southern Life Centre was created in 1973.
Mobile Life Centre was created in 2007-04.
Sun Life Building was created in 1931.
Sun Life Stadium was created in 1987.
Sun Life Financial was created in 1865.
The core just means the centre. Therefore, the core of the Sun is in the centre of the Sun.
The Sun is the centre of the solar system, and only that. It is not even remotly close to being in the centre of the milky way galaxy.
Harmonie Centre was created in 1905.
It means sun-centred, from "helios" meaning "sun" and "centre". It refers to the Copernican view of the solar system, with the sun at the centre.
Review Centre was created in 1999.