Which physicist popularized the term "black hole" in 1967?
Answer
John Archibald Wheeler
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Which physicist popularized the term "black hole" in 1967?
Answer
John Archibald Wheeler
In black hole thermodynamics, what quantity is proportional to event horizon area?
Answer
Entropy
Which solution describes a charged, non-rotating black hole?
Answer
Reissner-Nordström metric
What is the outer boundary of a rotating black hole's ergosphere called?
Answer
Static limit
What is the name for a black hole whose mass is millions to billions of solar masses?
Answer
Supermassive black hole
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Which solution describes a charged, non-rotating black hole?
Answer
Reissner-Nordström metric
What is the outer boundary of a rotating black hole's ergosphere called?
Answer
Static limit
What is the name for a black hole whose mass is millions to billions of solar masses?
Answer
Supermassive black hole
What theorem says black holes are characterized only by mass, charge, and angular momentum?
Answer
No-hair theorem
What mass class lies between stellar black holes and supermassive black holes?
Answer
Intermediate-mass black hole
Which 1916 solution describes spacetime outside a spherical non-rotating mass?
Answer
Schwarzschild metric
What effect shifts light to longer wavelengths as it escapes a black hole's gravity?
Answer
Gravitational redshift
What spherical zone around a black hole can contain circular photon orbits?
Answer
Photon sphere