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te the extent of the collaboration between master architects and theirassistantsc. To explain why there is little documentation for many projectsd. To stress the difficulty in determining any given artisan’s contributions to aproject6. What does the professor imply about the process of producing architecture collaboratively?a. It was a result of patrons’ believing in an architect39。s individual genius.b. It resulted in extra expense for the patrons.c. Itwas simpler than producing sculpture collaboratively.d. It often resulted in less innovation than the architect intended.Lecture 4(Astronomy)QUESTIONS1. What do the speakers mainly discuss?a. Whether life could exist outside a star’s habitable zoneb. Techniques used by researchers to detect exoplanetsc. Exoplanets that share certain characteristics with Earthd. Characteristics of several recently discovered red dwarf stars2. What does the professor say about the host star Gliese 581?Click on 2 answers.a. It is larger than the Sun.b. It is cooler than the Sun.c. It is a relatively young star.d. It is relatively close to Earth. does the professor suggest about life on other planets?a. It most likely does not exist.b. It probably will not be discovered in the near future.c. It probably would not be similar to life on Earth.d. It could possibly be found even on gas giants.4. What did researchers discover about the planet Gliese 581 d when they reexamined it?a. It is made entirely of rocks.b. It is not able to support an ocean.c. It is smaller than previously thought.d. It is closer to its host star than previousty thought.5. Why is the planet Gliese 581 e unlikely to support carbonbased life?a. It is too hot.b. It is too small.c. It is covered in ice.d. It is made entirely of gas.6. What does the professor find most exciting about the discovery of the planet Gliese 581 e?a. It showed that some exoplanets have an atmosphere like Earth’s.b. It helped researchers better understand exoplanets’ orbits.c. It showed that the technology exists to detect small exoplanets.d. It proved that some stars’ habitable zones are larger than once thought.