Lense-Thirring precession | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Lense-Thirring precession


00:00:58 1 The Lense-Thirring metric
00:06:07 2 The Coriolis term
00:08:55 3 Precession
00:11:52 4 Gravitomagnetic analysis
00:18:53 5 Example: Foucault's pendulum
00:22:13 6 Experimental verification
00:22:51 7 Astrophysical setting



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SUMMARY
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In general relativity, Lense–Thirring precession or the Lense–Thirring effect (named after Josef Lense and Hans Thirring) is a relativistic correction to the precession of a gyroscope near a large rotating mass such as the Earth. It is a gravitomagnetic frame-dragging effect.  It is a prediction of general relativity consisting of secular precessions of the longitude of the ascending node and the argument of pericenter of a test particle freely orbiting a central spinning mass endowed with angular momentum 
  
    
      
        S
      
    
    {\displaystyle S}
  .
The difference between de Sitter precession and the Lense–Thirring effect is that the de Sitter effect is due simply to the presence of a central mass, whereas the Lense–Thirring effect is due to the rotation of the central mass. The total precession is calculated by combining the de Sitter precession with the Lense–Thirring precession.
According to a recent historical analysis by Pfister, the effect should be renamed as Einstein–Thirring–Lense effect.