“The nursery song “twinkle twinkle, little star” might have a whole new meaning now that astronomers have found a planet they believe to be made almost entirely of diamonds.

Scientists say the planet exists about 4,000 light years away from Earth, and is probably the remnants of a once-large dead star, Reuters reports.

“The evolutionary history and amazing density of the planet all suggest it is comprised of carbon,” Matthew Bailes of the University of Technology in Melbourne told Reuters. He calls it “a massive diamond orbiting a neutron star every two hours in an orbit so tight it would fit inside our own Sun.”

View the complete story at  Diamond Planet Discovered By Astronomers – Huffington Post