- Question 1:
- The time between the discovery of Pluto and its largest moon, Charon, was almost 50 years. What do you think are the reasons for this long gap between discoveries?
- Student answers will vary. Their answers may include the following:
- Telescopes were not large enough to detect distant solar-system objects like Charon.
- Astronomers did not have effective techniques to search for Charon.
- Telescope technology could not track the planet.
- Telescopes did not have the resolution to separate close objects such as Charon and Pluto.
Note: It was not until Hubble’s observation of the Pluto-Charon system in 1990 that Charon was seen as a clearly separate object from Pluto.
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