The Sun rotates around the center of the Milky Way Galaxy (Fig. 5-46) at a distance of

Question:

The Sun rotates around the center of the Milky Way Galaxy (Fig. 5-46) at a distance of about 30,000 light-years from the center (1 ly = 9.5 x 1015m). If it takes about 200 million years to make one rotation, estimate the mass of our Galaxy. Assume that the mass of our Galaxy is concentrated mostly in a central uniform sphere. If all the stars had about the mass of our Sun (2 x 1030 kg), how many stars would there be in our Galaxy?

Sun E 30,000 ly –

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...