📝 Module 7 Section 1 - Exercise 16

Astronomers often work with what is known as the Drake equation, which is best seen as an interesting idea rather than an objective statement of how the physical universe works. It is a method of calculating how likely it is that a particular set of conditions exist elsewhere in the universe that could have led to the development of an advanced civilisation. Doing the calculations provides scientists with an estimate for the total number of intelligent, technologically proficient civilisations in the galaxy. Different scientists have come up with wildly different estimates ranging from one to millions, depending on their individual judgment and areas of expertise.
1. What does the writer say about the Drake equation?
A. It has not produced consistent results.
B. It reflects current views on what conditions are needed for life.
C. It depends on an unnecessarily complex statistical analysis.
D. It has considerable appeal to scientists of all backgrounds.
2. What is the writer doing in this paragraph?
A. Criticising the current methods used to try to find alien life.
B. Suggesting people should be optimistic about finding alien life.
C. Expressing concern that alien life may never be discovered.
D. Explaining the technological impact that the discovery of alien life