What does this mean for the universe?
Called AGC 114905, the bizarre galaxy is one of six discovered with little to no dark matter. And upon confirming that this was actually the case, Pavel Mancera Piña from the University of Groningen and ASTRON, in the Netherlands, along with his colleagues, were instructed to"measure again, you'll see that there will be dark matter around your galaxy". according to.
But despite the dwarf galaxy's similar size, it has one thousand times fewer stars than our galaxy. But the galaxy's lack of dark matter challenges the consensus on how galaxies work. Namely, it's believed that all galaxies, large or small, dwarf of colossal, are held together by the force of dark matter.
: namely, dark matter. But according to the data, the motion of gas in AGC 114905 can be explained completely by normal matter."This is, of course, what we thought and hoped for because it confirms our previous measurements," said Piña, in the press release."But now the problem remains that the theory predicts that there must be dark matter in AGC 114905, but our observations say there isn't. In fact, the difference between theory and observation is only getting bigger.
"Also with modified Newtonian dynamics, an alternative theory to cold dark matter, we cannot reproduce the motions of the gas within the galaxy," added Piña in the release. However, the researchers think one more assumption might alter their initial conclusions. If they take into account the estimated angle at which we view the galaxy from Earth, maybe this could account for.
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