Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits

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...

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Main Authors: Ik-Seon Hong, Yu Yi, Eojin Kim
Format: Article
Language:English
Published: The Korean Space Science Society 2014-06-01
Series:Journal of Astronomy and Space Sciences
Subjects:
Online Access:http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2014/v31n2/OJOOBS_2014_v31n2_131.pdf
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author Ik-Seon Hong
Yu Yi
Eojin Kim
author_facet Ik-Seon Hong
Yu Yi
Eojin Kim
author_sort Ik-Seon Hong
collection DOAJ
description 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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spelling doaj.art-c639989542204d23843bf9c5b0ad169e2024-01-02T15:31:22ZengThe Korean Space Science SocietyJournal of Astronomy and Space Sciences2093-55872093-14092014-06-0131213114010.5140/JASS.2014.31.2.131Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube PitsIk-Seon Hong0Yu Yi1Eojin Kim2Chungnam National University, Daejeon 305-764, KoreaChungnam National University, Daejeon 305-764, KoreaKorea Aerospace Research Institute, Daejeon 305-701, KoreaLava 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.http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2014/v31n2/OJOOBS_2014_v31n2_131.pdfPit craterlunar cavelava tubeLRO
spellingShingle Ik-Seon Hong
Yu Yi
Eojin Kim
Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits
Journal of Astronomy and Space Sciences
Pit crater
lunar cave
lava tube
LRO
title Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits
title_full Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits
title_fullStr Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits
title_full_unstemmed Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits
title_short Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits
title_sort lunar pit craters presumed to be the entrances of lava caves by analogy to the earth lava tube pits
topic Pit crater
lunar cave
lava tube
LRO
url http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2014/v31n2/OJOOBS_2014_v31n2_131.pdf
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AT yuyi lunarpitcraterspresumedtobetheentrancesoflavacavesbyanalogytotheearthlavatubepits
AT eojinkim lunarpitcraterspresumedtobetheentrancesoflavacavesbyanalogytotheearthlavatubepits