Which JWST mirror wing was latched into place to complete the telescope's major deployment on January 8, 2022?
Answer
Starboard primary mirror wing
77 The James Webb Space Telescope Trivia Questions with Answers
77 public questions with answers, drawn from the well. How many can you answer?
This James Webb Space Telescope trivia hub explores the observatory’s launch, deployment, instruments, communications, and scientific mission. Questions cover milestones such as the final mirror-wing latch on January 8, 2022, the telescope’s arrival at the Sun-Earth L2 point, and its separation from Ariane 5 after launch.
You will also encounter details about the Guiana Space Centre launch pad, the FGS/NIRISS instrument, the ISIM command and data handling system, and the institute that operates JWST for NASA. It suits astronomy fans, science classrooms, STEM clubs, and pub quizzes that reward careful knowledge of modern space exploration.
On what date did JWST reach the Sun-Earth L2 point?
Answer
24 January 2022
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
About how long after liftoff did JWST separate from Ariane 5?
Answer
27 minutes
Which city is home to the institute that operates JWST?
Answer
Baltimore
Which company operated the Ariane flight that launched JWST?
Answer
Arianespace
Which company built JWST's FGS/NIRISS instrument?
Answer
Honeywell
Who is the principal investigator for JWST's NIRCam instrument?
Answer
Marcia Rieke
To what accuracy can JWST's mirror actuators position the mirror?
Answer
10 nanometers
What is JWST's sunshield SPF compared with suntan lotion?
Answer
1,000,000
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
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
What is the angular resolution of JWST at 2 micrometers in arcseconds?
Answer
0.1 arcseconds
What is the focal length of JWST in meters?
Answer
131.4 m
What is the width of JWST's sunshield in meters?
Answer
14.162 m
What propellant does JWST use for its thrusters?
Answer
Hydrazine
What is the total wavelength range covered by JWST in micrometers?
Answer
0.6 to 28.8
What is the launch mass of JWST in kilograms?
Answer
6,500 kg
On what exact date was JWST launched?
Answer
December 25, 2021
What metal is JWST's primary mirror primarily made of?
Answer
Beryllium
Which compact galaxy group was imaged by JWST in its first release?
Answer
Stephan's Quintet
Which dying star's nebula was imaged by JWST in its first release?
Answer
Southern Ring Nebula
What is the design lifetime of JWST in years?
Answer
5 years
What type of orbit does JWST use around the L2 point?
Answer
Halo orbit
What is the power output of JWST's solar panels in kilowatts?
Answer
2 kilowatts
What is the name of the most distant star observed by JWST?
Answer
Earendel
Which ring galaxy was imaged by JWST in 2022?
Answer
Cartwheel Galaxy
Which star-forming region in the Eagle Nebula was imaged by JWST?
Answer
Pillars of Creation
The James Webb Space Telescope trivia — quick answers
What are good James Webb Space Telescope trivia questions?
Good questions can cover JWST’s launch vehicle, deployment sequence, destination, instruments, and international partners. Examples include asking which mirror wing was latched last, when the telescope reached Sun-Earth L2, which agency designed FGS/NIRISS, and what launch pad was used at the Guiana Space Centre.
How hard is James Webb Space Telescope trivia?
The difficulty ranges from accessible to highly specialized. Basic questions may ask what JWST studies or where it operates, while harder questions focus on instrument design, command-and-data systems, deployment milestones, and launch operations. The hub is best suited to curious science players and advanced classroom or astronomy-club quizzes.
Where does the James Webb Space Telescope operate?
JWST operates near the Sun-Earth L2 point, roughly 1.5 million kilometers beyond Earth in the direction away from the Sun. This location allows the telescope to remain aligned with Earth as both orbit the Sun and helps its sunshield keep the observatory’s instruments cold.
What does the James Webb Space Telescope observe?
JWST observes primarily infrared light, allowing it to study early galaxies, star and planet formation, cool objects, and the atmospheres of some exoplanets. Its large segmented mirror and extremely cold operating environment are designed to detect faint infrared signals that can reveal otherwise hidden cosmic details.
Who operates the James Webb Space Telescope?
NASA operates JWST with the European Space Agency and the Canadian Space Agency as international partners. The Space Telescope Science Institute in Baltimore conducts science and mission operations for NASA, including managing observations and supporting researchers who use the observatory’s data.