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If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)
- a)Equator
- b)Tropic of Cancer
- c)South Pole
- d)North Pole
Correct answer is option 'A'. Can you explain this answer?
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If the stars are seen to rise perpendicular to the horizon by an obse...
Explanation:
When an observer sees the stars rising perpendicular to the horizon, it means that he is located at the Earth's equator. This is because the Earth's equator is the only location where the celestial equator (the projection of the Earth's equator onto the celestial sphere) is perpendicular to the horizon.
The celestial equator is an imaginary line that circles the celestial sphere, and it is the projection of the Earth's equator onto the sky. The celestial equator is also the reference point for measuring the declination of celestial objects, which is similar to the latitude on Earth.
When an observer is located at the Earth's equator, the celestial equator appears to be perpendicular to the horizon because the observer's latitude and the celestial equator are the same. This means that the observer is looking directly at the celestial equator, which is why the stars appear to be rising perpendicular to the horizon.
In contrast, at the Tropic of Cancer, the South Pole, or the North Pole, the celestial equator is not perpendicular to the horizon, and the stars do not appear to rise perpendicular to the horizon.
Therefore, we can conclude that if an observer sees the stars rising perpendicular to the horizon, he is located on the Earth's equator.
When an observer sees the stars rising perpendicular to the horizon, it means that he is located at the Earth's equator. This is because the Earth's equator is the only location where the celestial equator (the projection of the Earth's equator onto the celestial sphere) is perpendicular to the horizon.
The celestial equator is an imaginary line that circles the celestial sphere, and it is the projection of the Earth's equator onto the sky. The celestial equator is also the reference point for measuring the declination of celestial objects, which is similar to the latitude on Earth.
When an observer is located at the Earth's equator, the celestial equator appears to be perpendicular to the horizon because the observer's latitude and the celestial equator are the same. This means that the observer is looking directly at the celestial equator, which is why the stars appear to be rising perpendicular to the horizon.
In contrast, at the Tropic of Cancer, the South Pole, or the North Pole, the celestial equator is not perpendicular to the horizon, and the stars do not appear to rise perpendicular to the horizon.
Therefore, we can conclude that if an observer sees the stars rising perpendicular to the horizon, he is located on the Earth's equator.
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If the stars are seen to rise Perpendicular to the horizon by an observer, he is located on the Equator
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If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)a) Equatorb) Tropic of Cancerc) South Poled) North PoleCorrect answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)a) Equatorb) Tropic of Cancerc) South Poled) North PoleCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)a) Equatorb) Tropic of Cancerc) South Poled) North PoleCorrect answer is option 'A'. Can you explain this answer?.
If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)a) Equatorb) Tropic of Cancerc) South Poled) North PoleCorrect answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)a) Equatorb) Tropic of Cancerc) South Poled) North PoleCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: (2001)a) Equatorb) Tropic of Cancerc) South Poled) North PoleCorrect answer is option 'A'. Can you explain this answer?.
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