When Couch Adams, the English student, and Le Verrier, the French astronomer, independently predicted the existence of Neptune on the basis of measured deviation of Uranus's motion by gravitational interaction, what factor ultimately led to Neptune's discovery by Galle at Berlin Observatory rather than by Challis at Cambridge, England, even though Challis was told of the prediction much earlier than Galle?
A)better eyesight
B)Galle used photography, while Challis had to rely on eye observation.
C)better star charts
D)better telescope

Question

Quizplus · Accepted Answer

Galle's successful discovery of Neptune was significantly aided by the use of more accurate star charts, which allowed him to identify Neptune as a previously uncharted object in the sky.

When Couch Adams, the English Student, and Le Verrier, the French