Who discovered the first potentially habitable exoplanet? MCQ with Answer and Explanation

Who discovered the first potentially habitable exoplanet?

A. Michel Mayor

B. Both candidates

C. Proxima Centauri b team

D. Kepler-186f team

Answer: Option D

Kepler-186f was an early candidate.

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

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Question #1 Report Error

Who was the first woman to win the Best Actress Oscar twice?

A. Katharine Hepburn

B. Luise Rainer

C. Ingrid Bergman

D. Bette Davis

Correct Answer: Option B

Explanation:
Luise Rainer won consecutively.

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

Question #2 Report Error

Who invented the fidget spinner?

A. Catherine Hettinger

B. Various claims

C. Both

D. Toy companies

Correct Answer: Option A

Explanation:
Catherine Hettinger patented an early version.

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

Question #3 Report Error

Who discovered Neptune?

A. William Herschel

B. Galileo Galilei

C. Urbain Le Verrier and John Couch Adams

D. Clyde Tombaugh

Correct Answer: Option C

Explanation:
Neptune was predicted mathematically by Le Verrier and Adams.

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