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Astronomy Quote Quiz: Numbers Game
Question # 15 (June 28 - September 15, 2005)
| Q: The X-rays from Saturn s rings are primarily due to fluorescence following absorption of solar X-rays by water ice in the rings. About what thickness of ice does it take to absorb the solar X-rays? |
| 1 nanometer |
34% |
52 |
| 1 micrometer |
30.7% |
47 |
| 1 millimeter |
19.6% |
30 |
| 1 meter |
15.7% |
24 |
Total Votes: 160 |
Answer: C. 1 millimeter
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