{"id":6554,"date":"2014-02-19T17:41:55","date_gmt":"2014-02-19T17:41:55","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=6554"},"modified":"2014-02-19T17:41:55","modified_gmt":"2014-02-19T17:41:55","slug":"sand-dunes-on-mars-fly-in-formation","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=6554","title":{"rendered":"Sand dunes on Mars fly in formation"},"content":{"rendered":"

There are lots of weird surface features<\/a> seen on Mars in images taken by the orbiters. Here is one of the weirder ones:<\/p>\n

Martian Dunes Flying in Formation<\/a><\/strong><\/p>\n

\"SandDunes_pia17981\"<\/a><\/p>\n

\n

Migratory birds and military aircraft often fly in a V-shaped formation. The \u201cV\u201d formation greatly boosts the efficiency and range of flying birds, because all except the first fly in the upward motion of air — called upwash — from the wingtip vortices of the bird ahead.<\/p>\n

In this image of a dune field on Mars in a large crater near Mawrth Vallis, some of the dunes appear to be in a V-shaped formation. For dune fields, the spacing of individual dunes is a function of sand supply, wind speed, and topography.<\/p>\n

This image was acquired by the HiRISE camera<\/a> aboard NASA’s Mars Reconnaissance Orbiter<\/a> on Dec. 30, 2013. The University of Arizona, Tucson, operates the HiRISE camera, which was built by Ball Aerospace & Technologies Corp., Boulder, Colo. NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project for the NASA Science Mission Directorate, Washington.<\/p>\n

Image Credit: NASA\/JPL-Caltech\/Univ. of Arizona<\/em>
\nCaption: Alfred McEwen<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

There are lots of weird surface features seen on Mars in images taken by the orbiters. Here is one of the weirder ones: Martian Dunes Flying in Formation Migratory birds and military aircraft often fly in a V-shaped formation. The \u201cV\u201d formation greatly boosts the efficiency and range of flying birds, because all except the … Continue reading Sand dunes on Mars fly in formation<\/span> →<\/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":[78,36,13],"tags":[],"class_list":["post-6554","post","type-post","status-publish","format-standard","hentry","category-mars","category-multiple-media","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-1HI","jetpack-related-posts":[{"id":13185,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13185","url_meta":{"origin":6554,"position":0},"title":"Mars Curiosity rover sends remarkable images of layered rocket formations","author":"TopSpacer","date":"September 12, 2016","format":false,"excerpt":"Lots of wonderful new\u00a0pictures from the Curiosity rover on Mars: Mars Rover Views Spectacular Layered Rock Formations The layered geologic past of Mars is revealed in stunning detail in new color images returned by NASA's Curiosity Mars rover, which is currently exploring the \"Murray Buttes\" region of lower Mount Sharp.\u2026","rel":"","context":"In "Mars"","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"pia21044_hires1","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/09\/PIA21044_hires1-1024x914.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":13881,"url":"https:\/\/hobbyspace.com\/Blog\/?p=13881","url_meta":{"origin":6554,"position":1},"title":"Images of dunes and gullies on a Mars crater wall","author":"TopSpacer","date":"February 7, 2017","format":false,"excerpt":"The Mars Reconnaissance Orbiter\u00a0sends a terrific view of dunes and gullies formed on a crater wall on the Red Planet: The Contrasting Colors of Crater Dunes and Gullies\u00a0 Gullies are relatively common features in the steep slopes of crater walls, possibly formed by dry debris flows, movement of carbon dioxide\u2026","rel":"","context":"In "Mars"","block_context":{"text":"Mars","link":"https:\/\/hobbyspace.com\/Blog\/?cat=78"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/02\/PIA11178_hires1-1024x683.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":19006,"url":"https:\/\/hobbyspace.com\/Blog\/?p=19006","url_meta":{"origin":6554,"position":2},"title":"Space sciences roundup – June.13.2019","author":"TopSpacer","date":"June 13, 2019","format":false,"excerpt":"A sampling of recent articles, videos, and images from space-related science news items: ** ESA-led Heracles mission will return samples of the lunar surface to Earth: Landing on the Moon and returning home: Heracles - 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