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Which quasar is noted for an ultramassive black hole of about 66 billion solar masses?
Answer
TON 618
Which NASA space telescope launched in 2012 observes black holes in high-energy X-rays?
Answer
NuSTAR
Who won the 2020 Nobel Prize in Physics for work showing black hole formation follows from general relativity?
Answer
Roger Penrose
Which French scientist independently suggested dark stars in 1796?
Answer
Pierre-Simon Laplace
Which English natural philosopher proposed "dark stars" in 1783?
Answer
John Michell
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Which French scientist independently suggested dark stars in 1796?
Answer
Pierre-Simon Laplace
Which English natural philosopher proposed "dark stars" in 1783?
Answer
John Michell
Which physicist popularized the term "black hole" in 1967?
Answer
John Archibald Wheeler
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