Cosmic Strings: The Mysterious ‘Seeds’ of the Universe
Extremely heavy and thin as hair, these astonishing strands of matter are known as cosmic strings. Scientists believe that in the history of the Universe, they played the role of “seeds” from which galaxies and their giant filamentary clusters grew. Who scattered these “seeds”? Have they survived to the present day, and is it worth looking for them in space? And, more generally, how much can we trust cosmological models? Are scientists mistaken in predicting such “oddities” in the cosmos?