| Abstract: | Seven possible skylight entrances into Martian caves were observed on and around the flanks of Arsia Mons by the Mars Odyssey Thermal Emission Imaging System (THEMIS). Distinct from impact craters, collapse pits or any other surface feature on Mars, these candidates appear to be deep dark holes at visible wavelengths while infrared observations show their thermal behaviors to be consistent with subsurface materials. Diameters range from 100 m to 225 m, and derived minimum depths range between 68 m and 130 m. Most candidates seem directly related to pitcraters, and may have formed in a similar manner with overhanging ceilings that remain intact. Copyright 2007 by the American Geophysical Union. |
| Genre: | Article |
| ProdID: | 70031447 |
| Citation Author: | Cushing, G. E.; Titus, T. N.; Wynne, J. J.; Christensen, P. R. |
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| Citation Issue: | 17 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geophysical Research Letters |
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| Citation Search Results Text: | THEMIS observes possible cave skylights on Mars; 2007; Article; Journal; Geophysical Research Letters; Cushing, G. E.; Titus, T. N.; Wynne, J. J.; Christensen, P. R. |
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| Citation Volume: | 34 |
| Citation Year: | 2007 |
| Type: | citation/reference |
| Text: | THEMIS observes possible cave skylights on Mars; 2007; Article; Journal; Geophysical Research Letters; Cushing, G. E.; Titus, T. N.; Wynne, J. J.; Christensen, P. R. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1029/2007GL030709 |
| Date Other: | Mon, 1 Jan 2007 00:00 -0600 |
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