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Posted by Tripp McCann on March 20, 2001 15:45:34 UTC
MO4-00291 http://www.msss.com/moc_gallery/ab1_m04/images/M0400291.html Mare Acidalium "Sample of fine channels"
M02-01270 http://www.msss.com/moc_gallery/ab1_m04/images/M0201270.html Mare Acidalium "Giant polygons in Acidalia Planitia"
M03-00102 http://www.msss.com/moc_gallery/ab1_m04/images/M0300102.html M03-00102 Mare Acidalium "Lighter surface in contact with darker cracked surface in
M00-01674 http://www.msss.com/moc_gallery/ab1_m04/images/M0001674.html Oxia Palus "Transect of flow-ejecta crater" **NOTE** "Tube" is seen in gully along north crater rim.
Glassy semi-transparent linear feature with a regular convex, cylindrical shape having typical diameters ranging from 140 yards and greater with somewhat regular supporting arch structure. Evident "craters" associated with this linear structure do not have typical impact crater shape and appear to be connected to the linear structure via shallow sup-surface tubes.
Numerous. Tube Theory presented by Mars UnEarthed/ Tripp
*NOTE*- In viewing any of the MOC imagery in detail, it is recommended you download sinusoidal projected 'losless GIF" for any given image footprint. These GIF images at times are so large that browsers cannot display them and they should be downloaded by right clicking the link and choosing "save as.."
ANNOTATED TUBE IMAGE: http://users.snip.net/~marsunearthed/tube_diagram.jpg
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