Which ISS expedition first operated with a six-person crew?
Answer
Expedition 20
96379 Intermediate Trivia Questions
96379 public questions at this depth. How many can you answer?
Which SpaceX cargo mission delivered BEAM to the ISS?
Answer
SpaceX CRS-8
What was the first European Automated Transfer Vehicle sent to the ISS?
Answer
Jules Verne ATV
In what month and year was the ISS Intergovernmental Agreement signed?
Answer
January 1998
What treaty is the main legal framework for ISS partner nations?
Answer
Space Station Intergovernmental Agreement
Which rocket launched the Zarya and Zvezda ISS modules?
Answer
Proton-K
Which 1939 model describes collapse of a uniform dust sphere into a black hole?
Answer
Oppenheimer-Snyder model
On what date was the GW150914 black-hole merger signal detected?
Answer
September 14, 2015
Which 2009-launched ESA telescope studies black holes at far-infrared wavelengths?
Answer
Herschel Space Observatory
Which physicist gave his name to black hole radiation predicted in 1974?
Answer
Stephen Hawking
For a Schwarzschild black hole, the photon sphere lies at how many Schwarzschild radii?
Answer
1.5 Schwarzschild radii
Which exact solution describes a black hole that has both electric charge and rotation?
Answer
Kerr-Newman metric
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
On what date did JWST reach the Sun-Earth L2 point?
Answer
24 January 2022
What material is JWST's spacecraft bus primarily made of?
Answer
graphite composite
How long does JWST take to see the entire sky?
Answer
six months
From one position, what share of the sky can JWST see?
Answer
40 percent
What is JWST's light-collecting area?
Answer
25.4 square meters
What is JWST's focal ratio?
Answer
f/20.2
What optical telescope type is listed for JWST's main telescope?
Answer
Korsch telescope