stephen Hawking
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Questions and Answers

What was the significance of Hawking's PhD thesis?

  • It established the connection between gravity and quantum mechanics.
  • It suggested that the universe began at a singularity. (correct)
  • It provided the first mathematical proof of black hole existence.
  • It proposed that black holes could emit radiation.

In what year did astronomers in the Milky Way discover X-ray binaries, implicating the existence of black holes?

  • 1964 (correct)
  • 1963
  • 1970
  • 1985

Which concept of Roger Penrose's work did Hawking study that related to the death of a giant star?

  • The generation of gamma-ray bursts.
  • The creation of neutron stars.
  • The formation of singularities. (correct)
  • The expansion of black holes.

What role did Hawking hold at Cambridge University in 1979?

<p>Lucasian Professor of Mathematics (A)</p> Signup and view all the answers

What groundbreaking prediction did Hawking make regarding black holes in 1974?

<p>Black holes emit heat and eventually evaporate. (D)</p> Signup and view all the answers

What was the primary aim of Hawking's book A Brief History of Time?

<p>To explain complex theories to nonspecialists. (C)</p> Signup and view all the answers

Which disease was Stephen Hawking diagnosed with in 1963?

<p>Amyotrophic lateral sclerosis (ALS) (D)</p> Signup and view all the answers

What does the term 'singularity' refer to in the context of Hawking's work?

<p>A location where matter is infinitely dense and small. (A)</p> Signup and view all the answers

What significant discovery did Hawking make regarding black holes in 1974?

<p>He predicted black hole evaporation using quantum theory. (A)</p> Signup and view all the answers

Which prestigious academic position did Hawking achieve in 1979?

<p>Lucasian Professor of Mathematics (C)</p> Signup and view all the answers

What concept did Hawking's PhD thesis primarily explore?

<p>The expansion of the universe from a singularity (B)</p> Signup and view all the answers

Which of the following best describes a singularity in the context of Hawking's work?

<p>A point of infinite density and curvature in spacetime (C)</p> Signup and view all the answers

How did Stephen Hawking contribute to the accessibility of science?

<p>By writing popular science books for general audiences (B)</p> Signup and view all the answers

What was one of Hawking's major contributions to general relativity?

<p>He demonstrated how singularities could exist in spacetime. (D)</p> Signup and view all the answers

Which breakthrough did Hawking achieve in collaboration with Penrose?

<p>The proof of gravitational singularities (C)</p> Signup and view all the answers

What role did Stephen Hawking play in popular culture?

<p>He became a cultural icon through his media appearances. (C)</p> Signup and view all the answers

Flashcards

Stephen Hawking's Field

Theoretical physics focusing on black holes and the universe's origins.

ALS

Incurable motor neurone disease affecting Hawking's movement.

Black Hole

A region of spacetime with an incredibly strong gravitational field, from which nothing, not even light, can escape.

Singularity

A point in spacetime where gravity is infinitely strong and space-time curves infinitely.

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Hawking's PhD Thesis

Examined the Big Bang theory, proposing the universe began in a singularity.

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Hawking Radiation

Heat emitted by black holes due to quantum effects.

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Lucasian Professor

A prestigious mathematics chair held by Isaac Newton and later Hawking at Cambridge University.

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A Brief History of Time

Hawking's popular science book explaining complex physics concepts simply.

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Stephen Hawking's Field

Theoretical Physics, specifically exploring the origins of the universe, black holes, and the nature of spacetime.

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Black Holes (Simplified)

Regions of spacetime with extremely strong gravity, not even light can escape.

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Singularities

Points in spacetime with infinite density and curvature, often theorized as the beginning of the universe.

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Hawking's ALS Diagnosis

Stephen Hawking was diagnosed with Amyotrophic Lateral Sclerosis (ALS) in 1963, severely impacting his physical abilities.

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Hawking's PhD Thesis Focus

His thesis explored the properties of expanding universes, starting from the singularity.

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Hawking's Lucasion Professorship

He became the Lucasian Professor of Mathematics in 1979, a prestigious position once held by Isaac Newton.

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Hawking's A Brief History of Time

His popular science book of 1988 making complex theories accessible to a wider audience.

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Key Discovery (1974)

Employed quantum theory to predict black hole evaporation (Hawking radiation).

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