Iron crystal 'snow' falls in Earth's core
"It's sort of a bizarre thing to think about. You have crystals within the outer core snowing down onto the inner core..."
The Earth’s inner core is hot, under immense pressure, and snow-capped, according to new research. The findings could help scientists better understand forces that affect the entire planet. The snow is made of tiny particles of ironmuch heavier than any sno… [+4689 chars]