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“Topological defects are very compact regions of space with a very high density of matter, usually in the form of linear structures known as cosmic strings, although 2-D structures such as spherical ...
Work to build the International Space Station began in 1998 In June two American astronauts left Earth expecting to spend eight days on the International Space Station (ISS). But after fears that ...
Another possibility is that the structures are a type of topological defect in the fabric of space-time known as cosmic strings. These are thought to be like proton-wide wrinkles that emerged in the ...