#VantageOnFirstpost: Scientists reveal that Earth's inner core, a hot, solid metal ball, is changing shape. The inner core, about 70% the size of the Moon, is deforming at its outer boundary. This shift raises concerns about potential changes to Earth's magnetic field, sparking new worries about the planet's stability. How worried should you be? And why is the core changing in shape? Palki Sharma tells you more. | Firstpost

7K views · 152 reactions | One of the more bizarre features of our planet is that within its molten iron core there is an enormous rotating crystal ball the size of the moon. Not weird enough for you? Consider this: that crystallized iron ball is hotter than the surface of the sun, yet it resists melting. A new study from KTH may finally settle a longstanding debate over how that's possible. | KTH Royal Institute of Technology | Facebook