Multiple Choice
Two years after first being observed,astronomers reported that Saturn's rings vanished.What happened to them? 
A) The old ring system dissipated,and since then a new one has formed.
B) The rings lined up with Earth,and they were too thin to be observed.
C) Most telescopes used hundreds of years ago couldn't adequately resolve the ring system.
D) Astronomers were looking at the wrong planet,leading to the chance discovery of Uranus.
Correct Answer:

Verified
Correct Answer:
Verified
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