{"id":8974,"date":"2014-10-07T17:33:36","date_gmt":"2014-10-07T21:33:36","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=8974"},"modified":"2014-10-07T17:33:36","modified_gmt":"2014-10-07T21:33:36","slug":"video-the-case-for-shallow-subsurface-flowing-water-on-mars","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=8974","title":{"rendered":"Video: The case for shallow subsurface flowing water on Mars"},"content":{"rendered":"<p>This <a href=\"http:\/\/www.seti.org\" target=\"_blank\">SETI Institute<\/a> seminar by presents evidence\u00a0for subsurface water flows on Mars: \u00a0<em><a href=\"https:\/\/www.youtube.com\/watch?v=_qTdj2raqX4\" target=\"_blank\">Recurring Slope Lineae: Shallow subsurface flowing water on Mars &#8211; David Stillman [Southwest Research Institute)<\/a>.<\/em><\/p>\n<p>From the caption:<\/p>\n<p style=\"padding-left: 30px;\"><em>Abstract: Recurring Slope Lineae (RSL) are narrow (0.5 to 5 m) dark albedo features that incrementally lengthen down steep slopes and reoccur each year. RSL are well correlated with temperature, as they lengthen as temperature increases and fade as temperature decreases. RSL have been observed within a latitude band from 37\u00b0N to 52\u00b0S, but tend to cluster in the southern mid-latitudes (SML) in and around Valles Marineris and Chryse Planitia.<\/em><\/p>\n<p><em>In this talk, Dr. Stillman will demonstrate how observations from the ~25 cm\/pixel High Resolution Imaging Science Experiment (Hi-Rise) onboard Mars Reconnaissance Orbiter and surface temperature data acquired by three orbital instruments suggest that RSL are caused by subsurface liquid water flows.<\/em><\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/_qTdj2raqX4?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This SETI Institute seminar by presents evidence\u00a0for subsurface water flows on Mars: \u00a0Recurring Slope Lineae: Shallow subsurface flowing water on Mars &#8211; David Stillman [Southwest Research Institute). From the caption: Abstract: Recurring Slope Lineae (RSL) are narrow (0.5 to 5 m) dark albedo features that incrementally lengthen down steep slopes and reoccur each year. RSL &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=8974\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Video: The case for shallow subsurface flowing water on Mars<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[78,13],"tags":[],"class_list":["post-8974","post","type-post","status-publish","format-standard","hentry","category-mars","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-2kK","jetpack-related-posts":[{"id":11482,"url":"https:\/\/hobbyspace.com\/Blog\/?p=11482","url_meta":{"origin":8974,"position":0},"title":"Researchers see evidence for liquid water flows on Martian surface","author":"TopSpacer","date":"September 28, 2015","format":false,"excerpt":"The NASA briefing today\u00a0about a \"Mars Mystery\" will present\u00a0evidence for seasonal\u00a0flows\u00a0of liquid water, heavily salted with perchlorates that raise the boiling temperature, down the slopes of some hills on the Martian surface. They do not see the water directly but instead see traces of the flows in streaks down the\u2026","rel":"","context":"In &quot;Mars&quot;","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"15-195_perspective_2[1]","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2015\/09\/15-195_perspective_21.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":6428,"url":"https:\/\/hobbyspace.com\/Blog\/?p=6428","url_meta":{"origin":8974,"position":1},"title":"Mars : Slippery slopes + Names for old hills","author":"TopSpacer","date":"February 10, 2014","format":false,"excerpt":"A couple of Mars items today: NASA Mars Orbiters See Clues to Possible Water Flows This image combines a photograph of seasonal dark flows on a Martian slope with a grid of colors based on data collected by a mineral-mapping spectrometer observing the same area. Image credit: NASA\/JPL-Caltech\/UA\/JHU-APL \u00a0\u203a Full\u2026","rel":"","context":"In &quot;Mars&quot;","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"Color-Coded Clues to Composition Superimposed on Martian Seasonal-Flow Image","src":"https:\/\/i0.wp.com\/www.jpl.nasa.gov\/images\/mro\/20140210\/pia17934-640.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":10368,"url":"https:\/\/hobbyspace.com\/Blog\/?p=10368","url_meta":{"origin":8974,"position":2},"title":"Curiosity data allows for brine water on Mars surface at night","author":"TopSpacer","date":"April 14, 2015","format":false,"excerpt":"The extremely low atmosphere on Mars (about 1% the pressure on earth) means that liquid water will quickly evaporate. However, it appears\u00a0from the Curiosity humidty and temperature measurements\u00a0that there are conditions at night where brine moisture (i.e. water with salts dissolved in it) can form on the surface even in\u2026","rel":"","context":"In &quot;Mars&quot;","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"PIA19164_ip[1]","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2015\/04\/PIA19164_ip1-1024x564.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5626,"url":"https:\/\/hobbyspace.com\/Blog\/?p=5626","url_meta":{"origin":8974,"position":3},"title":"The dynamism of Mars on display in HiRISE images from MRO spacecraft","author":"TopSpacer","date":"December 11, 2013","format":false,"excerpt":"When the first fly-by spacecraft images of Mars were seen in the 1960s, the planet looked as static and frozen in time as the Moon. However, subsequent examinations by orbiting spacecraft and landers in the past couple of decades, Mars has shown itself to be in fact very dynamic and\u2026","rel":"","context":"In &quot;Mars&quot;","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"Seasonal Changes in Dark Marks on an Equatorial Martian Slope","src":"https:\/\/i0.wp.com\/mars.jpl.nasa.gov\/mro\/images\/PIA17606-br.gif?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":13551,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13551","url_meta":{"origin":8974,"position":4},"title":"Radar study finds Mars ice deposit with water comparable to Lake Superior","author":"TopSpacer","date":"November 26, 2016","format":false,"excerpt":"A huge underground deposit of water has been detected on Mars: Mars Ice Deposit Holds as Much Water as Lake Superior Frozen beneath a region of cracked and pitted plains on Mars lies about as much water as what's in Lake Superior, largest of the Great Lakes, researchers using NASA's\u2026","rel":"","context":"In &quot;Mars&quot;","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"pia21136_hires1","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/11\/PIA21136_hires1-1024x637.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":18373,"url":"https:\/\/hobbyspace.com\/Blog\/?p=18373","url_meta":{"origin":8974,"position":5},"title":"Space sciences roundup &#8211; Apr.3.2019","author":"TopSpacer","date":"April 3, 2019","format":false,"excerpt":"A sampling of recent articles, videos, and images from space related science news: ** SpaceIL's Beresheet prepares to enter lunar orbit on Thursday, April 4th. The vehicle fired its engine on Monday for 72 seconds to lengthen its long elliptical earth orbit. This will bring the spacecraft close enough to\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2019\/04\/EarthFromBeresheet.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/8974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8974"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/8974\/revisions"}],"predecessor-version":[{"id":8975,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/8974\/revisions\/8975"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}