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'Dancing' star's weird, spirograph orbit proves Einstein right (again) 5nvklj





'Dancing' star's weird, spirograph orbit proves Einstein right (again) 9tpt39

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'Dancing' star's weird, spirograph orbit proves Einstein right (again)

Dragon
Dragon
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'Dancing' star's weird, spirograph orbit proves Einstein right (again) Empty 'Dancing' star's weird, spirograph orbit proves Einstein right (again)

Post by Dragon Mon Apr 20, 2020 1:15 am

Einstein's theory of general relativity has been proven right (again!), thanks to the wobbly dance of a high-speed star swirling around the monster black hole at the center of our galaxy.

Astronomers with the European Southern Observatory (ESO) have been watching that star — named S2 — orbit our local supermassive black hole for 27 years, taking precise measurements of the star's position and velocity as it swoops around the galactic center, roughly 26,000 light-years from Earth.

After watching the star complete nearly two full orbits (each complete orbit takes about 16 years), the researchers concluded that the star does not have a fixed elliptical orbit as predicted by Isaac Newton's theory of gravity, but rather "dances" around the black hole in a pattern that resembles a rosette drawn using a spirograph.

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'Dancing' star's weird, spirograph orbit proves Einstein right (again) 334pu7m
Dragon
Dragon
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'Dancing' star's weird, spirograph orbit proves Einstein right (again) Empty Re: 'Dancing' star's weird, spirograph orbit proves Einstein right (again)

Post by Dragon Mon Apr 20, 2020 1:16 am

'Dancing' star's weird, spirograph orbit proves Einstein right (again) 8epgutWmBzbT3tSfZsD7va-970-80
(Image: © ESO/L. Calçada)

An artist's impression of the star S2 precessing around the black hole at the center of the Milky Way.

Source / Image Courtesy


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'Dancing' star's weird, spirograph orbit proves Einstein right (again) 334pu7m
Dragon
Dragon
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Posts : 7240
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Join date : 2018-01-18

'Dancing' star's weird, spirograph orbit proves Einstein right (again) Empty Re: 'Dancing' star's weird, spirograph orbit proves Einstein right (again)

Post by Dragon Mon Apr 20, 2020 1:18 am



This animation shows S2’s orbit around Sagitarius A*, the supermassive black hole at the centre of the Milky Way.


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'Dancing' star's weird, spirograph orbit proves Einstein right (again) 334pu7m

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