Chapter 1. Early History

Question Click on a location showing evidence that rocks on Mars were deposited in layers.

TfZyE8QH1O/HmmNBaGy+380or/wE2bRPcKlw6IWpIc1Bv1qn9HSbrSHLHNvk/9utBIjSdT+W/htMmLCr {"title":"Layers","description":"There are layers visible. ","type":"correct","color":"#99cc00","code":"[{\"shape\":\"poly\",\"coords\":\"4,282,45,284,70,286,85,288,121,285,142,287,162,295,188,293,220,297,245,302,259,305,277,301,289,304,291,305,322,316,338,321,365,321,371,325,383,322,400,321,410,321,421,320,434,325,439,341,442,359,421,355,392,350,372,349,338,351,311,350,231,328,199,332,173,329,153,316,130,322,92,305,65,318,4,305\"}]"} {"title":"Sediments","description":"There are layers visible.","type":"correct","color":"#993300","code":"[{\"shape\":\"poly\",\"coords\":\"221,22,223,30,164,31,142,35,109,49,98,41,98,36,136,28,150,22,191,21\"},{\"shape\":\"poly\",\"coords\":\"388,23,415,55,514,49,507,16,430,16\"},{\"shape\":\"poly\",\"coords\":\"271,225,289,220,313,203,310,189,286,181,262,179,241,177,215,177,213,185,226,193,233,206,230,212,255,218,268,211,283,206,278,213\"}]"} {"title":"Choice label","description":"These are dark colored sediments on the canyon floor.","type":"incorrect","color":"#0000ff","code":"[{\"shape\":\"poly\",\"coords\":\"515,269,514,317,465,318,427,304,358,311,279,291,196,276,72,243,9,222,16,186,65,162,90,199,137,183,231,227,219,204,269,217,252,244,282,268,332,268,417,282,474,276\"}]"} {"title":"Choice label","description":"This is the flat surface, but you can’t see what the subsurface looks like here.","type":"incorrect","color":"#993300","code":"[{\"shape\":\"poly\",\"coords\":\"248,109,270,126,145,116,122,129,6,120,6,-3,513,4,513,16,388,20,315,25,231,20,159,21,95,34,80,67,15,80,13,88\"}]"}

^{Source: ESA / DLR / FU Berlin.}

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