Eclipse Lab

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Clemson University *

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MISC

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Physics

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Dec 6, 2023

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pdf

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Eclipses Worksheet These lab activities have evolved over many years of use in Clemson University’s Department of Physics and Astronomy general astronomy laboratory. Contributors include, in chronological order, Tom Collins, Mark Leising, Neil Miller, Peter Milne, Grant Williams, Donna Mullenax, Jessica Crist, Keith Davis, Amber Porter, Steven Bromley, and David Connick. Please direct all questions, complaints, and corrections to David Connick (dconnic@clemson.edu) who is responsible for all errors and omissions. Student Name: Nicolle Andrade Section: Astro 1030 III. Lunar Eclipse May 15/16 2022 Load in the Eclipses.skyset file to Starry Night. 1. Time and date when leading edge of moon enters penumbra: May 15,2022 - 21:34:22 2. What is the time and date when about half of the Moon is in penumbra: May 15,2022 - 22:03:22 3. What is the time and date when the trailing edge of the Moon enters the penumbra: May 15, 2022 - 22:31:22 4. What is the time and date when the leading edge of the moon enters the umbra May 15, 2022 - 22:29:22 5. What is the time and date when about half of the moon is in the umbra May, 15,2022 - 23:01:22 6. When the Moon has entered the umbra halfway, sketch the moon with a line between the penumbra and the umbra. (take a picture of a paper sketch or use a paint program and insert picture here.) 7. What is the time and date when the trailing edge of the moon enters the umbra: May 15, 2022 - 23:30:22 8. What is the time and date when the leading edge of the moon leaves the umbra May 16, 2022 - 00:56:22

9. What is the time and date when the trailing edge of the moon leaves the umbra May 16,2022 - 01:56:22 10. What is the time and date when the leading edge of the moon leaves the penumbra May 16,2022 - 01:55:22 11. What is the time and date when the trailing edge of the moon leaves the penumbra May 16,2022 02:52:22 12. Based on the times you recorded previously, what is the length of the total umbral lunar eclipse? An umbral lunar eclipse is about an hour long. 13. Based on the times you recorded previously, what is the length of the total penumbral lunar eclipse? A penumbral lunar eclipse is about 6 hours. 14. Based on the times you recorded above, for how long was the moon experiencing at least a partial eclipse? The moon was experiencing a partial eclipse for about 2-3 hours 15. Based on your drawing from question 6 what can you say about the shape of the Earth? About a quarter of the earth is dark because of the light of the moon 16. In your own words describe who could see this lunar eclipse and who could not The only people in the light side will ble able to see the lunar eclipse. Return to the instructions to set up the program to answer the next set of questions. IV. Total Solar Eclipse August 21st 2017 Clemson SC 17. When did the eclipse begin? (At least some piece of the sun covered by the moon) August 21, 13:08 18. What is the minimum separation of Moon and Sun in degrees:minutes:seconds format, during the eclipse? (see instructions on how best to measure this) 3°18’ 13.2” from the moon @ 291. 4° 19. What was the time of maximum eclipse? (Date and time of day of minimum angular separation) Aug 21 at 18:25:36 20. How long was the sun completely covered by the moon? (Define what you consider to be completely covered and estimate a time based on that definition) The sun was covered by the moon for about 2 min 21. When did the eclipse end? (No part of the sun covered by the moon)

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