* Astronomy

Buried gold coin stash 'worth $10m'

A California couple found a stash of gold coins buried on their property last year valued at as much as $10m (£6m), rare coin dealers have said.
The 1,427 coins, which date from 1847-1894, were never circulated and are in mint condition, numismatist David Hall told the Associated Press.
The unnamed couple found them buried in rusting metal cans under a tree while on a walk last April.
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