Who discovered the first planet orbiting two stars? MCQ with Answer and Explanation

Who discovered the first planet orbiting two stars?

A. NASA team

B. Michel Mayor

C. Both

D. Kepler-16b

Answer: Option D

Circumbinary planet.

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

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Question #1 Report Error

Who discovered the neutron?

A. James Chadwick

B. Ernest Rutherford

C. J.J. Thomson

D. Niels Bohr

Correct Answer: Option A

Explanation:
James Chadwick discovered the neutron in 1932.

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

Question #2 Report Error

Which was the first country to implement a social security system?

A. New Zealand

B. United States

C. Germany

D. United Kingdom

Correct Answer: Option C

Explanation:
Germany, under Bismarck, established the first social security/social insurance programs in the 1880s.

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

Question #3 Report Error

Who invented the roller coaster?

A. Isaac Newton

B. Thomas Edison

C. LaMarcus Adna Thompson

D. Wright Brothers

Correct Answer: Option C

Explanation:
Thompson built the first roller coaster.

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