Concept explainers
The angular width that Milky-way Galaxy would subtend.
To compare: The obtained result with the angular width of the Moon from Earth.
Answer to Problem 10P
The angular width that Milky-way Galaxy would subtend if observed from the nearest galaxy to Earth is
The angular width of the Milky-way Galaxy is
Explanation of Solution
Given:
Milky-way Galaxy is about
Formula used:
The angular width is calculated as
Calculation:
The angular width of the Milky-way Galaxy from the nearest galaxy is
The angular width of the Moon from the Earth is
Conclusion:
Thus, angular width that Milky-way Galaxy would subtend if observed from the nearest galaxy to Earth is
Chapter 33 Solutions
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