Question

look at the following excerpt from chapter four of windows to the universe: revolutions in astronomy.
2013 - 2016: extensive testing is conducted on all components.
why did the author most likely include a range of years in this entry?
to show that testing was a lengthy and ongoing process
to imply there were many technical failures during testing
to compare jwsts testing phase to that of other space telescopes
to emphasize that all testing was completed at the same time in 2016

Explanation:

• A range of years ($2013 - 2016$) indicates that the testing was not a one - time event. It took place over a span of time, which implies that it was a lengthy and ongoing process.
• Option B: There is no mention of technical failures in the given information.
• Option C: There is no comparison to other space telescopes in the provided text.
• Option D: The range of years ($2013 - 2016$) shows that testing was not completed at the same time in 2016, but rather over a period.

Answer:

A. to show that testing was a lengthy and ongoing process