Chapter 1. The Internal Structures of Mercury and Earth

The Internal Structures of Mercury and Earth

Interactive Exercise
Moon Phases
Question 1 of 4

The Internal Structures of Mercury and Earth

Click on the Earth's iron core in the image below.
Internal Structures of Mercury and Earth Image
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{"title":"Earth's iron core","description":"Earth's iron core is 55% of the diameter of the entire planet, or 17% of its volume.","type":"correct","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"140,140,18\"},{\"shape\":\"poly\",\"coords\":\"21,320\"}]"} {"title":"Mercury's mantle","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"19,314,16\"}]"} {"title":"Mercury's iron core","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"141,240,16\"}]"} {"title":"Earth's mantle","description":"Incorrect. Try again.","type":"incorrect","color":"#99ccff","code":"[{\"shape\":\"circle\",\"coords\":\"26,17,16\"}]"}

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