Who discovered the first Earth-sized exoplanet in habitable zone? MCQ with Answer and Explanation

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Who discovered the first Earth-sized exoplanet in habitable zone?

A. Kepler team

B. Michel Mayor

C. Multiple

D. NASA

Answer: Option A

Solution (By JKSSB Mock Tests)

Kepler mission discovered several.

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Question #1

Who discovered the first exomoon candidate?

A. Both

B. NASA

C. David Kipping

D. Kepler team

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Correct Answer: Option C

Explanation:
Kipping's team.

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Question #2

What was the first commercial video game ever released?

A. Computer Space

B. Pac-Man

C. Spacewar!

D. Pong

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Correct Answer: Option A

Explanation:
Computer Space, released in 1971, was the first commercially sold, coin-operated video game.

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Question #3

Who discovered the ozone hole?

A. Joe Farman

B. Mario Molina

C. All contributed

D. Susan Solomon

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Correct Answer: Option A

Explanation:
Joe Farman and team discovered the Antarctic ozone hole.

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