Question
Let us assume that our galaxy consists of stars each of one solar mass. How long will a star at a distance of 50,000 ly from the galactic centre take to complete one revolution ? Take the diameter of the Milky Way to be ly.
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Mass of our galaxy Milky Way,
1 Solar mass = Mass of Sun
Mass of our galaxy,
1 Solar mass = Mass of Sun
Mass of our galaxy,
Diameter of Milky Way,
Radius of Milky Way,
Radius of Milky Way,
Since a star revolves around the galactic centre of the Milky Way, its time period is given by the relation:
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Question Text | Let us assume that our galaxy consists of stars each of one solar mass. How long will a star at a distance of 50,000 ly from the galactic centre take to complete one revolution ? Take the diameter of the Milky Way to be ly. |
Answer Type | Text solution:1 |
Upvotes | 150 |