The Present Estimate for the Total Mass of the Milky

question 286

Multiple Choice

The present estimate for the total mass of the Milky Way Galaxy in units of solar mass is about:

• A) 2.3 × 10⁸.
• B) 10¹².
• C) 1.1 × 10¹¹.
• D) 10⁶⁶.

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