The strange ancient hot spring of Mars. Bob Zimmerman BehindtheBlack.com
Photo: Elliptical features (arrows) in Vernal crater (HiRISE image PSP_010420_1855_RED). North is up. https://www.hou.usra.edu/meetings/lpsc2020/pdf/1563.pdf http://JohnBatchelorShow.com/contact http://JohnBatchelorShow.com/schedules Twitter: @BatchelorShow The strange ancient hot spring of Mars. Bob Zimmerman BehindtheBlack.com https://behindtheblack.com/behind-the-black/points-of-information/inactive-hot-springs-on-mars/