Dr. SCHAWINSKI: Yeah, as discoveries usually are named after their discoverer, it has been named after Hanny van Arkel, but instead of calling it Hanny's Object, it quickly became known in our online community as Hanny's Voorwerp - voorwerp simply being the Dutch word for object but it sounds cooler.

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Numbers play an important role in China, with eight - which sounds like the word "prosperity" - being considered particularly auspicious, the BBC's Viv Marsh says.

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