{"id":17624,"date":"2025-07-11T08:50:02","date_gmt":"2025-07-11T12:50:02","guid":{"rendered":"https:\/\/www.ecoticias.com\/en\/?p=17624"},"modified":"2025-07-11T08:50:02","modified_gmt":"2025-07-11T12:50:02","slug":"its-worse-than-a-black-hole","status":"publish","type":"post","link":"https:\/\/www.ecoticias.com\/en\/its-worse-than-a-black-hole\/17624\/","title":{"rendered":"Worse than a black hole \u2015 Experts spot ‘something’ swallowing stars at incredible speed"},"content":{"rendered":"

For many decades, we considered <\/span>black holes<\/b> to be the universe\u2019s greatest predators. Largely because of their insatiable gravity, which makes them capable of devouring entire stars and distorting the very fabric of space-time, then, yes, they have always occupied the top of the cosmic chain, at least until now\u2026 That\u2019s because a new discovery made with the help of the Hubble Space Telescope is shaking that throne. And as if that weren\u2019t already surprising enough, it seems that the \u201csomething\u201d that is swallowing stars with astonishing speed was, until now, hidden in plain sight.<\/span><\/p>\n

It just seemed like a small anomaly\u2026<\/h2>\n

The story began with a detail that, for many people, would have gone unnoticed. In the M67 cluster \u2014 a very old group of stars, similar to our Sun and located about 2,800 light-years from Earth \u2014 astronomers noticed that one star was acting\u2026 strange. While all the others followed the expected rhythm, this one was spinning like crazy: <\/span>four times faster than it should.<\/b><\/p>\n

At first, it seemed like just a weird case. A mistake? An exception? But no, there was something more there. When they really investigated, with data from Kepler and some tricks with ultraviolet light, the bombshell came: it probably swallowed another star in the past. That’s right. A rare but real stellar merger. And then everything made sense. The unusual spin, the extra energy… it was the result of a chaotic past. In the end, that bizarre behavior became a valuable clue and showed that the universe loves to hide its craziest stories between the lines.<\/span><\/p>\n

Meet the Blue Lurker<\/h2>\n

But what, besides a black hole, was \u201cdevouring\u201d stars at such incredible speeds? Before you try to guess, it wasn\u2019t a supernova or a new form of dark matter either. It was, in fact, an <\/span>ordinary star<\/b>, but with an unusual past\u2026 astronomers even named this object the Blue Lurker. It\u2019s worth noting that this star even looks similar to the Sun, but it ended up becoming a \u201ccosmic cannibal\u201d after interacting with a triple system.<\/span><\/p>\n

What does this mean? Well, about 500 million years ago, two Sun-like stars merged, forming a more massive star that quickly evolved into an extremely hot white dwarf. And during this transition, it transferred matter and angular momentum to the <\/span>Blue Lurker<\/b>, causing it to spin abnormally fast.<\/span><\/p>\n

Yes, what seemed to be a harmless star is, in practice, carrying the energy of a stellar merger, and its rotation is the vestige of this process. Of course, it is not exactly \u201cswallowing\u201d stars like a black hole would do (like this black hole in America that continues to grow)<\/a><\/span>, but it is, in a way, even more surprising: <\/span>a reborn star<\/b>, hidden in the middle of the cluster, with predatory behavior and energy acquired from a dramatic past (it even sounds like a movie story).<\/span><\/p>\n

What does this change about what we know about Black Holes?<\/h2>\n

You might be wondering, <\/span>\u201cOkay, but what changes with all this?\u201d<\/span><\/i> The truth? It changes a lot. This Blue Lurker isn\u2019t just a different star; it challenges several ideas that scientists considered to be sort of settled about how stars form, live, and change. For a long time, models didn\u2019t even take triple systems into account because, let\u2019s face it, they\u2019re extremely complicated to observe. But now it\u2019s hard to ignore them anymore..<\/span><\/p>\n

And there\u2019s more: this star spent billions of years there, quiet, unnoticed. But what it represents goes beyond that. It seems to be a kind of hybrid phenomenon.<\/strong> In other words, everything that we used to consider an exception may have a much bigger role in the history of stars. That’s why <\/span>NASA is already keeping an eye on the strange behavior of these two stars.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

For many decades, we considered black holes to be the universe\u2019s greatest predators. Largely because of their insatiable gravity, which … <\/p>\n

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