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symbo symbo
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Posts: 1970
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7 years ago
The ring system around Uranus was originally discovered by what observing technique?
A)   Infrared observation from the IRAS spacecraft in Earth orbit
B)   Observation by the cameras on board the Voyager 1 spacecraft
C)   Occultation of light from a star as Uranus (and the rings) passed in front of it
D)   Radar reflection from the particles in the rings
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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hyponoticahyponotica
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7 years ago
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symbo Author
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7 years ago
Thanks
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Correct Slight Smile TY
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2 hours ago
Good timing, thanks!
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