What experiment first measured gravitational redshift using gamma rays on Earth?
Answer
Pound-Rebka experiment
16373 Hard Trivia Questions
16373 public questions at this depth. How many can you answer?
Which physicist coined the term 'black hole' in 1967?
Answer
John Archibald Wheeler
What is the name of the transformation that preserves Newton's laws between inertial frames?
Answer
Galilean transformation
How many books does Newton's Principia contain?
Answer
three
What is the gravitational constant G to four significant figures?
Answer
6.674×10⁻¹¹ N·m²/kg²
What is the Latin title of Newton's Principia?
Answer
Philosophiæ Naturalis Principia Mathematica
Who first formulated the principle that Newton's laws are invariant in inertial frames?
Answer
Galileo Galilei
What is the name of the principle stating that the laws of motion are the same in all inertial frames?
Answer
Galilean relativity
What was the title of Jane Goodall's doctoral thesis?
Answer
The Behaviour of Free-living Chimpanzees
What name was given to the violent chimpanzee conflict documented by Goodall in 1974?
Answer
Gombe Chimpanzee War
Who co-developed the Feynman-Kac formula with Richard Feynman?
Answer
Mark Kac
What phrase was written on Richard Feynman's blackboard at the time of his death?
Answer
What I cannot create, I do not understand
What specific type of cancer caused Richard Feynman's death?
Answer
liposarcoma
What was the title of Feynman's 1959 talk that laid groundwork for nanotechnology?
Answer
There's Plenty of Room at the Bottom
What is the name of the asteroid named after Richard Feynman?
Answer
7495 Feynman
What was the title of Edwin Hubble's Ph.D. thesis?
Answer
Photographic Investigations of Faint Nebulae
What was the title of Hubble's 1926 paper on galaxy classification?
Answer
Extra-Galactic Nebulae
Which astronomer's redshift measurements did Hubble use to deduce expansion?
Answer
Vesto Slipher
What name did Hubble give to his classification diagram for galaxies?
Answer
Tuning fork diagram
Which of Hubble's papers announced that the spiral nebulae are extragalactic?
Answer
A Spiral Nebula as a Stellar System
What award did Carl Sagan receive from the National Academy of Sciences in 1994?
Answer
Public Welfare Medal
What is the name of the 2014 sequel to Carl Sagan's television series 'Cosmos'?
Answer
Cosmos: A Spacetime Odyssey
In 1990, Carl Sagan received which medal for his contributions to physics education?
Answer
Oersted Medal
At which university did Carl Sagan teach as an assistant professor before joining Cornell?
Answer
Harvard University
Carl Sagan co-authored the 1983 TTAPS paper that coined which term?
Answer
nuclear winter
How many languages are included on the Voyager Golden Record's greetings?
Answer
55 languages
What is the name of the most recent common female ancestor of all living humans?
Answer
Mitochondrial Eve
Which naturalist described mimicry now named after him?
Answer
Henry Walter Bates
What is the name of the phenomenon where animals evolve smaller body size on islands?
Answer
Insular dwarfism
Which geneticist coined the term 'genetic drift'?
Answer
Sewall Wright
Who proposed the germ plasm theory of inheritance?
Answer
August Weismann