{"collections":null,"facets":{"geoform":{"facet":{"Collection":2,"Digital Elevation Model":3,"Geologic Map":9,"Global Mosaic":9,"Image":1,"Nomenclature":14,"Raster Data":15,"Regional Mosaic":1,"Remote-sensing Data":8,"Shaded-Relief Map":13,"Topographic Map":3,"Vector Data":8},"label":"Geo Format"},"mapprojn":{"facet":{"":1,"Equirectangular":7,"Lambert Conformal":8,"Mercator":6,"Polar Stereographic":1,"Simple Cylindrical":5,"Sinusoidal":1},"label":"Map Projection"},"missikey":{"facet":{"MESSENGER":26,"Mariner":3},"label":"Mission"}},"page":"6","results":[{"abstract":"<b>Product Information:</b> The discovery of hollows on Mercury remains one of the most surprising scientific findings by MESSENGER. Hollows are sharp-edged, irregular, rimless pits that are often surrounded by bright haloes (Blewett,","geoform":["Digital Elevation Model"],"name":"mercury_messenger_mdis_volatile_loss_dtm","onlink":"https://astrogeology.usgs.gov/search/map/mercury_messenger_mdis_volatile_loss_dtm","pubdate":null,"thumb":"https://astrogeology.usgs.gov/ckan/dataset/ec43d2d6-68ff-4854-b247-1538ab1e94d7/resource/73ce52be-39d7-4e5b-b4bd-b61ed6aa31ce/download/dundas_headerimage_100.jpg","title":"Mercury MESSENGER MDIS Volatile Loss DTM"}],"title":"Mercury","total":51}