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Space-time is swirling around a dead star, proving Einstein right again 5nvklj





Space-time is swirling around a dead star, proving Einstein right again 9tpt39

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Space-time is swirling around a dead star, proving Einstein right again

Dragon
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Space-time is swirling around a dead star, proving Einstein right again Empty Space-time is swirling around a dead star, proving Einstein right again

Post by Dragon Sun Feb 16, 2020 6:26 pm

The way the fabric of space and time swirls in a cosmic whirlpool around a dead star has confirmed yet another prediction from Einstein's theory of general relativity, a new study finds.

That prediction is a phenomenon known as frame dragging, or the Lense-Thirring effect. It states that space-time will churn around a massive, rotating body. For example, imagine Earth were submerged in honey. As the planet rotated, the honey around it would swirl — and the same holds true with space-time.

Satellite experiments have detected frame dragging in the gravitational field of rotating Earth, but the effect is extraordinarily small and, therefore, has been challenging to measure. Objects with greater masses and more powerful gravitational fields, such as white dwarfs and neutron stars, offer better chances to see this phenomenon.

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Space-time is swirling around a dead star, proving Einstein right again 334pu7m
Dragon
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Space-time is swirling around a dead star, proving Einstein right again Empty Re: Space-time is swirling around a dead star, proving Einstein right again

Post by Dragon Sun Feb 16, 2020 6:28 pm

Space-time is swirling around a dead star, proving Einstein right again SryZTZafj3BBR9n8HLUTQR-1024-80
(Image: © Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav))

Artist's illustration of Lense-Thirring frame-dragging resulting from a rotating white dwarf in the PSR J1141-6545 binary star system.

Source / Image Courtesy


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Space-time is swirling around a dead star, proving Einstein right again 334pu7m
Dragon
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Space-time is swirling around a dead star, proving Einstein right again Empty Re: Space-time is swirling around a dead star, proving Einstein right again

Post by Dragon Sun Feb 16, 2020 6:30 pm



Artist’s depiction of a neutron star orbiting a rapidly-spinning white dwarf. The
white dwarf's spin drags the very fabric of space-time around with it, causing the orbit to
tumble in space.


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Space-time is swirling around a dead star, proving Einstein right again 334pu7m
Dragon
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Space-time is swirling around a dead star, proving Einstein right again Empty Re: Space-time is swirling around a dead star, proving Einstein right again

Post by Dragon Sun Feb 16, 2020 6:31 pm



This animation is an artist's conception of the Lense-Thirring Effect, which can create a precession of an orbiting object around a spinning gravitational source.


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Space-time is swirling around a dead star, proving Einstein right again 334pu7m

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