It’s no secret that every year we learn more and more about how the universe works. This is linked, among other things, to technological development, which allows more precise monitoring. Without it, astronomers were convinced that the void in Butes was in fact completely empty. But before we move on to explaining this mystery, we must begin with its origins.
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This region is about 300 million light-years across, making it truly gigantic. It is located in the Boötes constellation, and in the first years after its discovery it was believed that there were no galaxies there. No wonder scientists were amazed by this phenomenon.
Although over time we have been able to see some objects that were part of the void, it still features a very low number of such structures. Suffice it to say that the discovery of the void in Potts was described in 1981, and by 1997 about 60 galaxies located there had been described. For comparison: in an average region of the universe there should be several thousand of them.
Boötes Void is a region of the universe about 300 million light-years in diameter. For a long time it was assumed that there was no galaxy there
What could be the explanation for this mystery? Hypotheses considered include those according to which the void at Wolarz was created as a result of the merging of many smaller voids. In addition, it may be useful in this context to know about a nebula called Barnard 68. At only 500 light-years away, at first glance it appears completely empty.
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However, research dedicated to it has shown that between us and this object is a cloud of dust and gas so dense that it absorbs all the light emanating from the stars behind the nebula. This way we only see a black spot. This does not mean, of course, that there are not things there. Fortunately, astronomers have found a way out of this difficult situation. They used observations in infrared light to identify the many stars present there.
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