Inside the Dreamhouse, girls dance around a 10-foot-tall diamond ring and look into cases featuring 6-inch, red-sequined, platform heels.
WSJ: Berlin Leftists' New Target: Barbie Dreamhouse
The infra-red radiation emitted by the dust can also be used to measure the size of the ring directly, and this has been done using the Keck telescope on Mauna Kea, Hawaii.
ECONOMIST: Planetary formation
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