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Strangely, there isn't a lot of information on Ceres on the internet. I want to know the specific percentages of its composition.

Thanks in advance!

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    $\begingroup$ As @JamesK pointed out. We don't know it's specific composition. Nasa did a fly-by recently, but nothing has ever landed on Ceres. Estimates can be made, but it's hard to know specifically what the inside of a planet is made of. We don't even know the interior of the Earth all that well. $\endgroup$ – userLTK Oct 14 '18 at 15:40
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The details are not known for certain, however it is generally thought to have a rocky core, formed of silicates (aluminium and magnesium silicate for example) and a large mantle of water ice, perhaps 50% by volume, 25% by mass. The surface crust is formed of various carbonaceous and iron minerals: siderite, dolomite, cronstedtite. There may be a small iron core.

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    $\begingroup$ Any chance of giving source? $\endgroup$ – Steve Linton Oct 14 '18 at 9:28

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