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cosmic string comparison table

Subject	has validity	has definition	has domain	has author	has location	has date	is a kind of
cosmology theory	correct or incorrect with caveats		cosmology	or reasearch group		or a range of dates for which the theory was active	astronomy theory
theoretical celestial body		natural object postulated by theory but not yet observed			or center of gravity		natural object
cosmic string	correct or incorrect with caveats	Some contemporary cosmological theories suggest that boundaries were formed between different regions of the universe at the moment of creation. These boundaries survive today as "cosmic strings", incredibly thin but very massive strings many light years in length.	cosmology	or reasearch group	or center of gravity	or a range of dates for which the theory was active	cosmology theory

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