Why Do Scientists Think the Cassini Spacecraft Did Not Observe

question 101

Multiple Choice

Why do scientists think the Cassini spacecraft did not observe "spokes" on the rings duringthe first year of its visit with Saturn?

• A)The "spokes" observed before were a phenomenon of the Voyager 2 camera.
• B)The "spokes" are not a regular phenomenon of Saturn's rings. They occur only in certainseasons.
• C)The "spokes" are related to Saturn's magnetic field and the Cassini spacecraft was locatedinside Saturn's magnetic field, while Voyager 2 was not.
• D)The Cassini spacecraft was not looking in the right part of Saturn's ring system to see the"spokes."
• E)To see the "spokes," a particular alignment of the rings with the Sun is necessary and it tookone year for that alignment to reoccur.

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