Uranus is visible to the naked eye, a bit brighter than the faintest naked-eye stars. However, it was not until well after the invention of the telescope in the late 18th century that Uranus was accidently discovered. How could people have missed this naked-eye planet until then?
Compare Uranus's properties in the to the other planets, then select the option that could explain why Uranus was harder to discover.
A. None of the listed properties should have any effect on its ease of discovery.
B. It has a longer rotation period than Jupiter and Saturn.
C. It has a longer orbital period than Jupiter and Saturn.
D. Its rotation axis is tilted nearly on its side (high obliquity).
C. It has a longer orbital period than Jupiter and
Answers: 3
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Uranus is visible to the naked eye, a bit brighter than the faintest naked-eye stars. However, it wa...
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