Milestones in Astrophysics

Astrophysics

A collection of multiple-choice questions focusing on historical events and verified discoveries in the field of astrophysics.

history science space

8 Questions Medium Ages 12+ Aug 6, 2026

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About this Study Set

This study set covers Astrophysics through 8 practice questions. A collection of multiple-choice questions focusing on historical events and verified discoveries in the field of astrophysics. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 8 questions from the Milestones in Astrophysics study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 In 1919, which solar eclipse observation provided the first experimental evidence for General Relativity by confirming the bending of starlight?

A The total solar eclipse of May 29
B The total solar eclipse of June 8
C The total solar eclipse of September 21
D The total solar eclipse of April 17

2 Who published the 'Hertzsprung-Russell diagram' in 1911, which plots the luminosity of stars against their stellar classification or effective temperatures?

A Ejnar Hertzsprung and Henry Norris Russell
B Edwin Hubble and Georges Lemaître
C Subrahmanyan Chandrasekhar and Arthur Eddington
D Cecilia Payne and Annie Jump Cannon

3 In 1964, Arno Penzias and Robert Wilson discovered the Cosmic Microwave Background radiation, which served as evidence for which theory?

A Steady State Theory
B Big Bang Theory
C String Theory
D Multiverse Theory

4 Which astrophysicist calculated the maximum mass of a stable white dwarf star, now known as the 'Chandrasekhar limit', in 1930?

A Subrahmanyan Chandrasekhar
B Stephen Hawking
C Carl Sagan
D Jocelyn Bell Burnell

5 In 1967, Jocelyn Bell Burnell discovered the first pulsar, which is a highly magnetized, rotating version of which type of celestial object?

A Red Giant
B White Dwarf
C Neutron Star
D Black Hole

6 Edwin Hubble demonstrated in 1929 that the universe is expanding by observing that galaxies are moving away from Earth at speeds proportional to their distance, a law now known as:

A Kepler's Law
B Newton's Law
C Hubble's Law
D Stefan-Boltzmann Law

7 What is the name of the first satellite launched into Earth's orbit by the Soviet Union on October 4, 1957, marking the beginning of the Space Age?

A Vostok 1
B Sputnik 1
C Explorer 1
D Luna 2

8 In 1925, Cecilia Payne-Gaposchkin made the groundbreaking discovery that stars are primarily composed of which two elements?

A Carbon and Oxygen
B Iron and Nickel
C Hydrogen and Helium
D Gold and Silver

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