32309 Easy Trivia Questions
32309 public questions at this depth. How many can you answer?
Which theory of gravity first predicted black holes as solutions to its field equations?
Answer
General relativity
What hypothetical black hole type could have formed soon after the Big Bang?
Answer
Primordial black hole
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 NASA X-ray observatory launched in 1999 studies black holes?
Answer
Chandra X-ray Observatory
What popular term describes extreme stretching by a black hole's tidal forces?
Answer
Spaghettification
What disk of hot matter can form as gas spirals into a black hole?
Answer
Accretion disk
Which German physicist gave his name to the radius of a non-rotating black hole?
Answer
Karl Schwarzschild
At a black hole's event horizon, the escape velocity equals what?
Answer
Speed of light
What boundary around a black hole marks the point beyond which light cannot escape?
Answer
Event horizon
Which space agency designed JWST's FGS/NIRISS instrument?
Answer
Canadian Space Agency
Which institute operates the James Webb Space Telescope for NASA?
Answer
Space Telescope Science Institute
Which city is home to the institute that operates JWST?
Answer
Baltimore
Which company operated the Ariane flight that launched JWST?
Answer
Arianespace
On what date did JWST enter service?
Answer
12 July 2022
Which company was the primary contractor for JWST?
Answer
Northrop Grumman
Which NASA center managed JWST's telescope development?
Answer
Goddard Space Flight Center
Which European agency partnered with NASA on JWST?
Answer
European Space Agency
What was JWST called before it was renamed in 2002?
Answer
Next Generation Space Telescope
Which constellation is also known as the Little Bear?
Answer
Ursa Minor
Which constellation was created to represent a microscope?
Answer
Microscopium
Which constellation's name is Latin for "dove"?
Answer
Columba
Which NASA Mars rover is commonly nicknamed "Oppy"?
Answer
Opportunity
What country operates the Zhurong Mars rover?
Answer
China
Which Perseverance camera system has zoom capability?
Answer
Mastcam-Z
On what date did NASA declare Opportunity's mission complete?
Answer
February 13, 2019
On what date did NASA launch the Spirit rover?
Answer
June 10, 2003
What Martian valley was the landing area for the Sojourner rover?
Answer
Ares Vallis
Which rocket launched NASA's Sojourner rover toward Mars in 1996?
Answer
Delta II 7925
Which 19th-century abolitionist was NASA's Sojourner rover named after?
Answer
Sojourner Truth
What was the mass of China's Zhurong rover?
Answer
240 kg
Which China-led mission carried the Zhurong rover to Mars?
Answer
Tianwen-1
Which rocket launched Perseverance from Earth in 2020?
Answer
Atlas V 541