Subject: National Radio Astronomy Observatory 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: McDonald Observatory 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Dominion Astrophysical Observatory 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Pierre Auger Observatory 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Integral Gamma-Ray Observatory 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Cerro Tololo Inter-American Observatory 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Apache Point Observatory 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Mount Wilson Observatory 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Lick Observatory 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Keck Observatory 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Gemini Observatory 35 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

Subject: W. M. Keck Observatory 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Mauna Kea Observatory 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Subsequent event disclosure 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Vinyl flooring for observation decks 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Reduced obsession 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.