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Professor Stuart Norman , of the Institute for Studies, said: "It's natural to be afraid, but we are 99% certain that the shiny, yellow ball means us no harm.
"Our computer modelling suggests it will encourage plant growth and pollination, as well as leading to a significant increase in white wine, ice cream and nipples as women remove their brassieres in what we think will be some sort of sacrificial offering.
"Indeed I advise, young women to remove as much of their clothing as possible while the shiny ball is visible, otherwise it could kill them. It totally could."
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Professor Norman added: "Don't waste your time trying to touch it because, as far as we have been able to determine, it is quite a long way away.
"Possibly as far away as the moon, or Bristol."