The first known telescopes, used around 1600, consisted of a lens and an eyepiece. Today, telescopes are often computer controlled and consist of a complicated array of sophisticated lenses. Which statement correctly describes how telescopes have changed over time?
Answer
A
The telescopes of the 1600s were used until the year 2000, when a more sophisticated telescope was built.
B
The telescopes of the 1600s were gradually improved upon over time, resulting in the telescopes that are available today.
C
The telescopes of the 1600s were used until the year 1900, when a more sophisticated telescope was built that was used until the year 2000.
D
The telescopes of the 1600s were abandoned after about 50 years, and the technology was completely replaced.