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The 6563 Å Ha line emitted by hydrogen in a star is found to be red- shifted by 15 Å. Estimate the speed with which the star is receding from the Earth.

The 6563 Å Ha line emitted by hydrogen in a star is found to be red- shifted by 15 Å. Estimate the speed with which the star is receding from the Earth.

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
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