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Highlights of the Universe

ASTR 11 1 – 003 Fall 2007 Lecture 0 2 Sep. 10 , 2007. Highlights of the Universe. Astronomy Picture of the Day (2007 Sep. 10). Astronomy Picture of the Day (2007 Sep. 2). Advanced Question Chap. 1, Q37 in P18.

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Highlights of the Universe

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  1. ASTR 111 – 003 Fall 2007 Lecture 02Sep. 10, 2007 Highlights of the Universe

  2. Astronomy Picture of the Day(2007 Sep. 10)

  3. Astronomy Picture of the Day(2007 Sep. 2)

  4. Advanced QuestionChap. 1, Q37 in P18 Suppose your telescope can give you a clear view of objects and features that subtend angles of at least 2 arcsec. What is the diameter in kilometers of the smallest craters you can see on the Moon?

  5. Advanced QuestionChap. 1, Q37 in P18 Answer: Using small angle formula: D = α d /206,265 α = 2 arcsec d = 384,400 km  D = 3.7 km This is the linear resolution of the telescope at the distance. The size of the smallest craters that can be seen is about 3.7 km

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