16373 Hard Trivia Questions
16373 public questions at this depth. How many can you answer?
What was the original name planned for the space shuttle Enterprise?
Answer
Constitution
Which U.S. Senator flew on the space shuttle in 1985?
Answer
Jake Garn
Which exoplanet was the first to have an X-ray eclipse observed?
Answer
HD 189733 b
Who discovered the radioactive gas radon in 1900?
Answer
Friedrich Dorn
What is the atomic number of polonium?
Answer
84
From which Bohemian town did Marie Curie obtain pitchblende?
Answer
Jáchymov
Who proved that alpha particles are helium nuclei?
Answer
Ernest Rutherford
What is the approximate half-life of radium-226 in years?
Answer
1,600 years
What is the name of the Hubble image that celebrates its 25th anniversary?
Answer
Westerlund 2
What was the original name of the Hubble Space Telescope before it was renamed?
Answer
Large Space Telescope
What was the launch date of the first Hubble servicing mission (STS-61)?
Answer
December 2, 1993
What is the exact launch date of the Hubble Space Telescope?
Answer
April 24, 1990
What is the power output of JWST's solar panels in kilowatts?
Answer
2 kilowatts
What is the exact length of JWST's deployed sunshield?
Answer
21.197 meters
Which exoplanet was the first directly imaged by JWST?
Answer
HIP 65426 b
What was the total cost of the JWST project in billions of dollars?
Answer
10 billion
What wavelength range does JWST's MIRI instrument cover?
Answer
5 to 28 micrometers
What is the name of the largest known ring of stars in the Milky Way's outer disk?
Answer
Monoceros Ring
What is the estimated total mass of the Milky Way (including dark matter) in solar masses?
Answer
1.5 trillion solar masses
What is the orbital period of the Sun around the Galactic Center in millions of years?
Answer
225 million years
What is the mass of Sagittarius A* in millions of solar masses?
Answer
4.1 million solar masses
What is the name of the world's largest solar telescope, located in Hawaii?
Answer
Daniel K. Inouye Solar Telescope
What phenomenon solved the solar neutrino problem by showing neutrinos change flavor?
Answer
Neutrino oscillation
What is the approximate orbital period of the Sun around the Galactic Center in million years?
Answer
250 million years
Which spacecraft was the first to orbit the Sun's poles?
Answer
Ulysses
What is the name of the period from 1645 to 1715 with very few sunspots?
Answer
Maunder Minimum
What is the name of the first spacecraft to fly through the Sun's corona?
Answer
Parker Solar Probe
What is the Sun's absolute magnitude?
Answer
4.83
What is the name of the highest hill climbed by the Spirit rover?
Answer
Husband Hill
What is the name of the valley where the Opportunity rover spent its final years?
Answer
Perseverance Valley
What is the name of the dune where the Opportunity rover got stuck in 2005?
Answer
Purgatory Dune
What was the name of the student who named the Sojourner rover?
Answer
Valerie Ambroise
What was the name of the first rock drilled by the Curiosity rover?
Answer
John Klein