Answers edited by Ed Hitchcock
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How powerful are today's telescopes compared to some of the first used to look at the heavens?
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Question #28721
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Question #88ca9
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What makes a nebula planetary and what makes a nebula diffuse? Is there any way to tell if they are Diffuse or Planetary just by looking at a picture? What are some Diffuse Nebulae? What are some Planetary Nebulae?
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How strong is the force of gravity on earth?
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Question #3cc11
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What percent of 33.5 is 21?
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What is a planetary nebula made of?
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Why does earth's distance from the sun change?
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What are the receiving chambers of the heart and what are the discharging chambers?
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Question #5ced9
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Given that y varies directly with x, and x = 15, y = 9, how do you write a direct variation equation that relates x and y?
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How do you find the maximum area of rectangle with 80ft perimeter?
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Question #a52b1
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How many grams are in 5.67 ng?
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What is #(pi)/4 # radians in degrees?