A planet could have been stolen from the solar system as it formed

Stars like our sun formed in a dense cluster with thousands of others, during which time they may have swapped planets

Več na: https://www.newscientist.com/article/2234894-a-planet-could-have-been-stolen-from-the-solar-system-as-it-formed/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news

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