Space.com #’Spiders’ on Mars: Citizen Scientists Investigate Strange Martian Terrain 24 October 2016 fborgosano Leave a comment Share: NASA’s Mars Reconnaissance Orbiter (MRO) has been surveying strange “spider-like” surface features on Mars for years, and now citizen scientists are helping the orbiter hone in on areas that require further investigation. from Space.com ift.tt/2eCWrOf Share: