Astronomers in Australia have shown that galaxies in vast empty regions of space are actually connected into a "cosmic string". The majority of galaxies in the universe are found to be in clusters, and these clusters are what forms these strings of the Cosmic web. Astronomers believe that the void in between the filaments are empty. In fact, these empty spaces can be of interest because they could provide insight as to whether galaxies not in clusters have different properties than those that are in them. The absence of a strong gravitational field that pervades clusters might tell us that the stars in the galaxy were created right when the galaxy was created. Since no new material from other galaxies could interact with it.
However, the team of astronomers have found that there are smaller structures in these voids, tendrils.
Strings of few galaxies, unlike the many in the web like structure of clusters. This means that the voids might be smaller than once thought. And galactic structures lurk where astronomers believed there was nothing of major importance.
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