The discovery of the first gas giant exoplanet orbiting a sun-like star (51 Pegasi b) was made by whom? MCQ with Answer and Explanation

Question

Share Report Error

The discovery of the first gas giant exoplanet orbiting a sun-like star (51 Pegasi b) was made by whom?

A. Michel Mayor and Didier Queloz

B. Carl Sagan

C. Edwin Hubble

D. Clyde Tombaugh

Answer: Option A

Solution (By JKSSB Mock Tests)

Michel Mayor and Didier Queloz discovered 51 Pegasi b in 1995 using highly precise radial velocity measurements, winning a Nobel Prize.

This question belongs to: Static General Knowledge Inventions and Discoveries

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Inventions and Discoveries Questions

Question #1

Share Report

Who discovered the physical phenomenon of electromagnetic radio waves traveling through the air, verifying Maxwell's equations?

A. Guglielmo Marconi

B. Michael Faraday

C. Heinrich Hertz

D. Nikola Tesla

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Heinrich Hertz built spark-gap transmitter devices in 1887 to physically prove radio waves transmit energy through empty space.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

The invention of the mercury barometric tube directly led to the recognition of what physical condition?

A. Capillary action

B. Vacuum

C. Absolute humidity

D. Hydrostatic paradox

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Torricelli's barometer left an empty space at the top of the glass tube, creating the first recognized sustained artificial vacuum.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

Who discovered that the chemical element Vanadium exists within iron slag residues, verifying its modern entry?

A. Andrés Manuel del Río

B. Nils Gabriel Sefström

C. Jöns Jacob Berzelius

D. Martin Klaproth

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Del Río noticed it early in Mexico ('erythronium'), but Sefström isolated and confirmed the element in Swedish iron ores in 1830.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs