How would remains found centuries later compare structurally to a body buried on Earth?

Answer

They could remain structurally recognizable for far longer, limited primarily by radiation and thermal stress

Because decomposition is halted, the desiccated artifact preserves structure longer than a body buried underground on Earth, which might be reduced to bone within a century depending on soil acidity.

How would remains found centuries later compare structurally to a body buried on Earth?

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