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Important Astronomical Discoveries

Description: This quiz covers important astronomical discoveries that have shaped our understanding of the universe.
Number of Questions: 14
Created by:
Tags: astronomy astronomy history important astronomical discoveries
Attempted 0/14 Correct 0 Score 0

Who is credited with the first recorded observation of a supernova?

  1. Tycho Brahe

  2. Johannes Kepler

  3. Galileo Galilei

  4. Isaac Newton


Correct Option: A
Explanation:

Tycho Brahe observed a supernova in the constellation Cassiopeia in 1572, which became known as Tycho's Supernova.

Which astronomer proposed the heliocentric model of the solar system?

  1. Nicolaus Copernicus

  2. Tycho Brahe

  3. Johannes Kepler

  4. Galileo Galilei


Correct Option: A
Explanation:

Nicolaus Copernicus proposed the heliocentric model in his book 'De Revolutionibus Orbium Coelestium' in 1543.

Who discovered the laws of planetary motion?

  1. Nicolaus Copernicus

  2. Tycho Brahe

  3. Johannes Kepler

  4. Galileo Galilei


Correct Option: C
Explanation:

Johannes Kepler discovered the laws of planetary motion, known as Kepler's Laws, in the early 17th century.

Which astronomer observed the moons of Jupiter?

  1. Nicolaus Copernicus

  2. Tycho Brahe

  3. Johannes Kepler

  4. Galileo Galilei


Correct Option: D
Explanation:

Galileo Galilei observed the moons of Jupiter using his telescope in 1610.

Who discovered the rings of Saturn?

  1. Nicolaus Copernicus

  2. Tycho Brahe

  3. Johannes Kepler

  4. Galileo Galilei


Correct Option: D
Explanation:

Galileo Galilei discovered the rings of Saturn in 1610.

Who proposed the theory of universal gravitation?

  1. Nicolaus Copernicus

  2. Tycho Brahe

  3. Johannes Kepler

  4. Isaac Newton


Correct Option: D
Explanation:

Isaac Newton proposed the theory of universal gravitation in his book 'Principia Mathematica' in 1687.

Which astronomer discovered the planet Uranus?

  1. William Herschel

  2. Pierre-Simon Laplace

  3. Joseph-Louis Lagrange

  4. Alexis Claude Clairaut


Correct Option: A
Explanation:

William Herschel discovered the planet Uranus in 1781.

Who discovered the planet Neptune?

  1. Urbain Le Verrier

  2. John Couch Adams

  3. James Challis

  4. Johann Gottfried Galle


Correct Option: A
Explanation:

Urbain Le Verrier and John Couch Adams independently predicted the existence of Neptune in 1846, and it was subsequently observed by Johann Gottfried Galle.

Which astronomer discovered the first extrasolar planet?

  1. Michel Mayor

  2. Didier Queloz

  3. Aleksander Wolszczan

  4. Dale Frail


Correct Option: A
Explanation:

Michel Mayor and Didier Queloz discovered the first extrasolar planet, 51 Pegasi b, in 1995.

Who discovered the cosmic microwave background radiation?

  1. Arno Penzias

  2. Robert Wilson

  3. George Gamow

  4. Ralph Alpher


Correct Option: A
Explanation:

Arno Penzias and Robert Wilson discovered the cosmic microwave background radiation in 1965.

Which astronomer discovered the first black hole?

  1. John Wheeler

  2. Kip Thorne

  3. Roger Penrose

  4. Subrahmanyan Chandrasekhar


Correct Option: D
Explanation:

Subrahmanyan Chandrasekhar predicted the existence of black holes in 1930.

Who discovered the first pulsar?

  1. Jocelyn Bell Burnell

  2. Antony Hewish

  3. Thomas Gold

  4. Fred Hoyle


Correct Option: A
Explanation:

Jocelyn Bell Burnell discovered the first pulsar, PSR B1919+21, in 1967.

Which astronomer discovered the first exoplanet that could potentially support life?

  1. Sara Seager

  2. Dimitar Sasselov

  3. Geoffrey Marcy

  4. Michel Mayor


Correct Option: A
Explanation:

Sara Seager discovered the first exoplanet that could potentially support life, GJ 1214 b, in 2009.

Who discovered the Higgs boson?

  1. Peter Higgs

  2. François Englert

  3. Robert Brout

  4. CERN


Correct Option: D
Explanation:

The Higgs boson was discovered by a team of scientists at CERN in 2012.

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