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15· Cooling
Health & Science1h 44m ago
Earth's inner core is an iron-rich ball as hot as the surface of the Sun, kept solid by immense pressure.
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Earth's center
Who
N/A
What
Earth's inner core is an iron-rich ball as hot as the surface of the Sun, kept solid by immense pressure.
When
Mon, 13 Jul 2026 11:30:24 GMT · 1h 44m ago
Where
Earth's center ·
Why
The crushing pressure of the entire planet raises the temperature at which iron can melt, maintaining the inner core's solid state despite extreme heat.
The Frontline Impact
How this affects you
This finding clarifies the physical state of Earth's deep interior, influencing models of planetary formation and geodynamics.
Story chain
1 event in this threadNo related history yet - this is the origin event.