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Q&A How would the worlds look like when they are part of Dual Gravity?

The film Upside Down showed a fiction movie where 2 planets of gravities exists within a fairly short distance. One may also assume that all parts of one planet is parallel to the other, which mean...

2 answers  ·  posted 9y ago by Swindles‭  ·  last activity 7y ago by Swindles‭

Question gravity alternate-worlds