NBC News - Mike Wall, 10/09/13
This image shows Tutankhamun's brooch, which celebrates the ancient Egyptian pharaoh with a dazzling scarab made of yellow silica glass, which scientists say was likely formed from a comet impact millions of years ago. (University of the Witswatersrand)
After conducting a series of analyses, the researchers determined that a mysterious black pebble discovered years ago in the Egyptian desert is a piece of a comet nucleus — the first ever discovered.
The pebble, which the team has named "Hypatia" in honor of the ancient female mathematician, astronomer and philosopher Hypatia of Alexandria, is also studded with diamonds, which makes sense considering its cometary origin, researchers said.
More: NBCNews.com
