06-August-2004, 04:14 PM
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Senior Member
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Join Date: Sep 2003
Location: Dubh Linn
Posts: 3,639
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Re: 3rd Annual Astronomy Challenge
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Originally Posted by milli360
1. What year did the fiftieth star appear on the USAn flag?
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1960
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2. What is the maximum latitude that can have the moon directly over head?
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28.58 degrees
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3. What automobile make is named after an asterism?
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Suburu
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4. What day of the year has the worst time to see the Milky Way? (to nearest week)
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23 December
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5. What comes next in this sequence: Uranus, Neptune, Pluto?
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Quaoar
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6. Which gravity is stronger on the moon, the Sun's or the Earth's? (see question 6 of the first challenge)
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The Sun's (178 times the Earth's)
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7. To the nearest hundredth of a second, how long does it take the Earth to rotate? (see question 1 of the first challenge, or question 9 of the second one)
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86164.09 seconds
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8. When was Io discovered? (to within ten years)
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1610
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