A new study using data from ESA's Gaia satellite has tracked the movement of more than 300,000 stars relative to the Sun, and discovered that some will pass close enough to disturb the vast cloud of comets that make up the Oort Cloud. These comets could pass close to – or even strike – the Earth at some point in the distant future.
.. Continue Reading Alien stars could send comets crashing through the inner solar systemCategory: Space
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from New Atlas http://ift.tt/2xQihoQ
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