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15· Cooling
Health & Science5h 53m ago
Mercury has contracted by up to seven kilometers due to its iron core slowly cooling, causing its surface to wrinkle into cliffs.
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Mercury
Who
N/A
What
Mercury has contracted by up to seven kilometers due to its iron core slowly cooling, causing its surface to wrinkle into cliffs.
When
Sat, 18 Jul 2026 22:30:49 GMT · 5h 53m ago
Where
Mercury ·
Why
The planet's iron core is slowly cooling, leading to a reduction in its overall size.
The Frontline Impact
How this affects you
The contraction has created long, curving cliffs on Mercury's surface, serving as a record of planetary cooling.
Story chain
1 event in this threadNo related history yet - this is the origin event.