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Investigation of Central Pit Craters in the Southern Hemisphere of Mercury

Investigation of Central Pit Craters in the Southern Hemisphere of Mercury. Shayne Quinn Mentor: Dr. Nadine Barlow Institution: Northern Arizona University. System Layout. Imaging Distribution. Northern Hemisphere. Southern Hemisphere. 30° North. 0 ° Equator.

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Investigation of Central Pit Craters in the Southern Hemisphere of Mercury

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  1. Investigation of Central Pit Craters in the Southern Hemisphere of Mercury Shayne Quinn Mentor: Dr. Nadine Barlow Institution: Northern Arizona University

  2. System Layout

  3. Imaging Distribution Northern Hemisphere Southern Hemisphere 30° North 0 °Equator -Due to Messengers orbit there are certain sections that do not currently have usable images. 0° Equator 30 ° South

  4. Crater Distribution 30° North 0 ° Equator Northern Hemisphere: Latitude: 0° to +30 ° Longitude: 0 ° to +360 ° Total Documented: Craters 6,562 Craters 250 Focus Group Southern Hemisphere: Latitude: 0° to -30° Longitude: 0° to +360 ° Total Documented: 8,256 Craters 305 Focus Group 0° Equator -30 ° South

  5. Central Pit Data Diameter Range: Pit- 2.0km to 19.0km Crater- 11.8km to 105.6km Mean Diameters: Pit- 7.89km Crater- 42.73km Ratio- 0.185 Current Pit crater count: 18 Percent: 0.12%

  6. Central Peak Data Diameter Range: Peak- 2.0km to 42.0km Crater- 10.4km to 157.0km Mean Diameters: Peak- 8.52km Crater- 41.54km Ratio- 0.205 Current Peak crater count: 538 Percent: 3.63%

  7. Analysis

  8. Comparison of Mercury and Ganymede • The preliminary results are presenting a less frequent occurrence of Central Pit Craters on Mercury. • Additionally the average ratio of Pit Diameter to Crater Diameter is similar to that of Ganymede

  9. Future Goals We plan to finish: • The distribution maps • Continue the documentation 30º to 90ºN & -30º to -90ºS. • Pit Diameter to crater diameter comparisons • Full planet evaluation

  10. Acknowledgement -NAU/NASA Space Grant -ASU for supplying JMARS -MESSENGER Team -Kathleen Stigmon -Dr. Nadine Barlow

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