The image above depicts open cluster NGC 457, a favorite target at star parties. The cluster is also known by which of the following?
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In which constellation does NGC 457 lie?
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About how many minutes does it take for the Sun’s light to reach Earth?
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“Planetary nebulae” are so called because they:
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Latitude is to Declination as Longitude is to: (two words)
1 point
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Which concept did the ancient astronomer Ptolemy use to explain the apparent retrograde motion of planets?
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Which noble gas element has the same name as the home planet of a fictional Super visitor?
1 point
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Which two planets will reach a very close conjunction in the evening sky next month (December 2020)? (Must check both to get the point)
1 point
In your telescope, an eyepiece with a 50 degree apparent field of view provides 100x magnification. What is the true field of view in minutes of arc? (number only)
2 points
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Who discovered the Lagoon Nebula?
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Who was the only Apollo astronaut to orbit the Moon on two different missions without landing?
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The daily apparent motion of celestial objects around the Earth is known as:
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On an astrolabe, which part consists of a bar with sighting holes that can be rotated to line up on a star?
3 points
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Opinion question; any answer gets you a point. How many science fiction questions should appear on these quizzes?