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Einstein's General Theory of Relativity holds for the time being



Albert Einstein's Theory of General Theory of Relativity continues for another 100 years after its publication, but it is beginning to question new research findings.

UCLA Researchers led by Tuan Do and Andrea Ghez, professors of physics and astronomy at UCLA, conducted direct measurements of general relativity near a supermassive black hole in the center of the Milky Way Einstein's theory still stands. It is the culmination of more than two decades of work in the region.

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Einstein's theory of General Theory of Relativity is still valid

"Einstein's right, at least for the time being," Ghez said in a press release about the research announcement of the findings. Our observations are in line with Einstein's theory of general relativity, but his theory definitely shows vulnerability, it can not fully explain the gravity in a black hole, and at some point we have to do that. " Go beyond Einstein's theory to a more comprehensive theory of gravitation that explains what a black hole is. "

Einstein's theory of general relativity dates back to 1

915 and states that gravity arises from the curvature of space and time. The sun and the earth change that. His theory remains the best description of how gravity works. said Ghez. Your research team is one of only two who studied the S0-2 star, which forms a full three-dimensional orbit around the supermassive black. The orbit takes sixteen years, as the black hole is four million times that of the Sun.

Researchers have studied the S0-2 star, which moves around a black hole.

Do, Ghez and The other researchers analyzed new observations of the S0-2 star in 2018 as it approached the black hole closest. The data was combined with the measurement that Ghez and the team have collected over the past 24 years. The results are consistent with the general theory of relativity.

"The special feature of S0-2 is that we have a full orbit in three dimensions," Ghez said. "That's what gives us the ticket to general relativity testing, asking how gravity behaves in the vicinity of a supermassive black hole, and whether Einstein's theory tells us the whole story – the observation, like stars, of their entire orbit Go through the physics with the movements of these stars offers the first opportunity to perform basic tests. "

Researchers dispel Newton's law of gravitation

The research also dispels Newton's law of gravitation, which considers space and time as separate and not mixed. The Ghez-led research team saw a mix of space and time near the supermassive black hole.

"Conducting a measurement of such fundamental importance required years of patient observation, enabled by the state of the art," said Richard Green, director of the National Science Foundation's Department of Astronomical Sciences, in the same paper. For more than twenty years, the unit has been helping Ghez with her work. "Through their rigorous efforts, Ghez and her colleagues have confirmed Einstein's idea of ​​strong gravity to the utmost."


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