How many au is the sun from the center of the Milky Way Galaxy?

Answer 1

An AU is the wrong measurement, that's like asking how far it is from London to New York - in millimeters.

An AU is merely the average distance from the Sun to the Earth, some 50 million km. The Milky way is about 100,000 Light years in diameter - a light year is about 10 trillion kilometers (10^16km = 10,000,000,000,000,000km).

Since we are on the outer edge of one of the spirals, make that 50,000 light years from the Sun to the center of the Milky Way. So if my math is right,

(50,000 * 10^16 )/ (50 * 10^6)

= (5 * 10^20) / (5 * 10^7)

= 10^13 AU

Answer 2

The Sun is approximately 27,000 light-years, or about 8.3 kiloparsecs, from the center of the Milky Way Galaxy. This is equivalent to around 510,000,000 astronomical units (au).