How can the fluid core of the earth be hotter than the solid inner core?

Subject: How can the fluid core of the earth be hotter than the solid inner core?

Date: Wed Mar 19 16:50:36 1997
Posted by Mr. Hill's 5th grade class
Grade level: 4-6
School: McPherson Elementary
City: Napa State/Province: CA
Country: USA
Area of science: Earth Sciences
ID: 858811836.Es

Message:

If the earth were made originally from a chunk of the sun which has 
gradually cooled, from the surface inward, why is it the center is 
not the hotest part?

Re: How can the fluid core of the earth be hotter than the solid inner core?

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