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Astronomers have scoured decades-old data from NASA 's Chandra X-ray Observatory, finding bright, lumpy features dotting a jet of energy spit out by a nearby black hole. Puzzlingly, the "knots" clock a faster speed when seen undefined than they do in radio wavelengths. scientists said.
"The X-ray data traces a unique picture that you can't see in any other wavelength," study lead author David Bogensberger, an astrophysicist at undefined of Michigan, who led the new study, said in a recent news release . "We've shown a new approach to studying jets and I think there's a lot of interesting work to be done."
The study, which was published Oct. 18 undefined , comes as NASA delays its final decision about budget cuts that would determine the fate of the observatory (which faces premature cancellation after its budget was slashed due to the agency's financial restrictions) and of undefined community that relies on it for research. NASA continues to operate on 2024 levels despite a new fiscal year having kicked undefined. 1, partly due to its 2025 budget being dependent on the outcome of the presidential election and changes in party in undefined and Senate, SpaceNews reported .
Meanwhile, astronomers continue to stress the science value being delivered by undefined telescope, which turned 25 years old undefined.
In the new study, Bogensberger and his team analyzed two decades of Chandra's observations of the active supermassive black hole lurking at the heart of Centaurus A galaxy, a somewhat misshapen elliptical swirl of gas and dust roughly 12 million light-years from Earth. At least one of the newfound "jet knots" appears to be traveling at 94% the speed of light , which was higher than the 80% of light's speed clocked in radio observations, according to the paper.
"What this means is that radio and X-ray jet knots move differently," Bogensberger said in the statement. "There's a lot we still don't really know about how jets work in undefined band."
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