Artist impression of a white dwarf star in orbit with pulsar PSR J2222-0137. It may be the coolest and dimmest white dwarf ever identified. [B. Saxton (NRAO/AUI/NSF)]

Astronomers Spot Earth-sized Diamond in Space

A team of researchers have detected the faintest and the coldest white dwarf star. Over the ages, the carbon content of the ancient lunar remnants has crystallized thus forming an Earth-size diamond in solar system. Jun 24, 2014