Some of the designers include Rachel Roy, Lauren Bush, Yoko Ono, Gloria Steinem and Chan Luu.

FORBES: Lauren Bush, Yoko Ono And Gloria Steinem Design Jewelry For New Online Marketplace

The Kuiper-belt bodies Dr Jewitt and Dr Luu have found range from 100km (60 miles) to 500km across.

ECONOMIST: Unbuckling the Kuiper belt