Who discovered the first planet in a binary star system? MCQ with Answer and Explanation

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Who discovered the first planet in a binary star system?

A. Kepler-16b

B. Both

C. NASA

D. Michel Mayor

Answer: Option A

Solution (By JKSSB Mock Tests)

Circumbinary planet.

This question belongs to: Static General Knowledge First in the World

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Question #1

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Who discovered the first transiting exoplanet?

A. David Charbonneau

B. Michel Mayor

C. Guillermo Torres

D. Both

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Correct Answer: Option D

Explanation:
HD 209458 b was the first transiting exoplanet.

This question belongs to: Static General Knowledge First in the World

Question #2

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Who was the first woman to win an Oscar for Best Actress?

A. Janet Gaynor

B. Katharine Hepburn

C. Joan Crawford

D. Bette Davis

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Correct Answer: Option A

Explanation:
Janet Gaynor won the first Best Actress Oscar.

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Question #3

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Who was the first woman to swim across the English Channel?

A. Alison Streeter

B. Florence Chadwick

C. Meredith King

D. Gertrude Ederle

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Correct Answer: Option D

Explanation:
Gertrude Ederle swam the English Channel in 1926.

This question belongs to: Static General Knowledge First in the World

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