Journal of Astronomy and Space Sciences

  • 제31권2호
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  • Pages.131-140
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  • 2014
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  • 2093-5587(pISSN)
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  • 2093-1409(eISSN)
한국우주과학회 (The Korean Space Science Society)
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Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits

  • 투고 : 2014.05.09
  • 심사 : 2014.06.10
  • 발행 : 2014.06.15
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초록

Lava caves could be useful as outposts for the human exploration of the Moon. Lava caves or lava tubes are formed when the external surface of the lava flows cools more quickly to make a hardened crust over subsurface lava flows. The lava flow eventually ceases and drains out of the tube, leaving an empty space. The frail part of the ceiling of lava tube could collapse to expose the entrance to the lava tubes which is called a pit crater. Several pit craters with the diameter of around 100 meters have been found by analyzing the data of SELENE and LRO lunar missions. It is hard to use these pit craters for outposts since these are too large in scale. In this study, small scale pit craters which are fit for outposts have been investigated using the NAC image data of LROC. Several topographic patterns which are believed to be lunar caves have been found and the similar pit craters of the Earth were compared and analyzed to identify caves. For this analysis, the image data of satellites and aerial photographs are collected and classified to construct a database. Several pit craters analogous to lunar pit craters were derived and a morphological pit crater model was generated using the 3D printer based on this database.

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참고문헌

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피인용 문헌

  1. Investigation of Reflectance Distribution and Trend for the Double Ray Located in the Northwest of Tycho Crater vol.32, pp.2, 2015, https://doi.org/10.5140/JASS.2015.32.2.161
  2. 3D Modeling of Lacus Mortis Pit Crater with Presumed Interior Tube Structure vol.32, pp.2, 2015, https://doi.org/10.5140/JASS.2015.32.2.113
  3. Method for Identifying Lava Tubes Among Pit Craters Using Brightness Profile Across Pits on the Moon or Mars vol.33, pp.1, 2016, https://doi.org/10.5140/JASS.2016.33.1.21