Here are today’s questions. Answers will be published on Monday. The theme for this week ran from Mon-Thu; a new theme will come up on Monday.

And the questions follow:

1. Also called the circumstellar habitable zone, what popular term is used to describe the range of orbits around a star that could potentially support liquid water?
2. Named after the physicist who conceptualized it, what term describes a hypothetical megastructure that encompasses a star and captures a large percentage of its power output? Finding such a structure would lead to assumptions of extraterrestrial intelligence.
3. Named after the Soviet astronomer who proposed it, what scale measures a civilization’s level of technological advancement based on the amount of energy it is capable of harnessing and using?
4. The Arecibo message is a radio message sent to the Messier 13 star cluster in 1973, and named after the telescope in which US territory?
5. The paradox of the lack of conclusive evidence of extraterrestrial civilizations and the apparently high likelihood of their existence is named after which physicist, a member of the Manhattan Project?

Here are the answers to 2026: Week 33, Quiz 4:

1. Qayamat Se Qayamat Tak
2. Saregama
3. Magnasound
4. KJ Yesudas
5. Theme: Terms for a group of vultures
   • Kettle
   • Volt
   • Committee
   • Wake