In theory, the Milky Way could be a 'galactic transport system'
phys.org
phys.org
"Based on the latest evidence and theories our galaxy could be a huge wormhole (or space-time tunnel, have you seen "Interstellar?") and, if that were true, it would be "stable and navigable". This is the hypothesis put forward in a study published in Annals of Physics and conducted with the participation of SISSA in Trieste. The paper, the result of a collaboration between Indian, Italian and North American researchers, prompts scientists to re-think dark matter more accurately."
What an absurd article, through and through.
I'm no physicist, but I don't think papers are supposed to "apply intuition" to come up with stuff like that.
Oh, ok.
>>scientists have long tried to explain dark matter by hypothesising the existence of a particular particle, the neutralino, which, however, has never been identified at CERN or observed in the universe
Well, this article is a whole lot of nothing. Seems some phd's wanted to ride Interstallar's coat-tails for a little press. Its also incredibly arrogant and anthrocentric to think that our galaxy is one of the "good ones" for space travel. Seems like wishful, if not borderline religious, thinking to be frank. I guess you don't get published if you say some far off galaxy is the one that's perfect from Einstein–Rosen bridges.
Where did you get that out of the article? There was no comparison to other galaxies. It appears as though the exercise was performed for the Milky Way because of the detailed information available on its potential (and based on the assumption that this maps to dark matter). Presumably similar results would apply to other galaxies, since the shape of dark matter halos seem—from cosmological simulations—to be fairly universal. But I never got out of the article that the authors suggested the Milky Way was somehow "special", compared to other galaixes. In fact, if you look at the abstract from the preprint[0] it concludes with "thereby confirming the possible existence of wormholes in most of the spiral galaxies." So they explicitly state that this result would apply to a large number of galaxies.