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#1 2006-09-16 05:37:16
- cIclops
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- Registered: 2005-06-16
- Posts: 3,230
Re: General Relativity confirmed accurate to 0.05%
A recent news release from CIRSO says that new measurements from a binary pulsar system have provided the most the most precise test yet obtained.
The double-pulsar system, whose pulsars are called PSR J0737-3039A and B, is the only known system of radio pulsars orbiting each other. It lies 2000 light-years away in the direction of the constellation Puppis.
The system consists of two massive, highly compact neutron stars, each weighing more than our own Sun but only about 20 km across, orbiting each other every 2.4 hours at speeds of a million kilometres per hour.
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#2 2006-09-22 02:29:25
- John Creighton
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- From: Nova Scotia, Canada
- Registered: 2001-09-04
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Re: General Relativity confirmed accurate to 0.05%
A recent news release from CIRSO says that new measurements from a binary pulsar system have provided the most the most precise test yet obtained.
The double-pulsar system, whose pulsars are called PSR J0737-3039A and B, is the only known system of radio pulsars orbiting each other. It lies 2000 light-years away in the direction of the constellation Puppis.
The system consists of two massive, highly compact neutron stars, each weighing more than our own Sun but only about 20 km across, orbiting each other every 2.4 hours at speeds of a million kilometres per hour.
Does that mean that if you want more accuracy relativity is no good or does it mean that they verified it to that accuracy but haven’t found a suitable test for more accurate verification.
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#3 2006-09-22 02:50:52
- noosfractal
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- From: Biosphere 1
- Registered: 2005-10-04
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Re: General Relativity confirmed accurate to 0.05%
Does that mean that if you want more accuracy relativity is no good or does it mean that they verified it to that accuracy but haven’t found a suitable test for more accurate verification.
The latter. If you think you've found a GR violation greater than 0.05%, you're going to have a lot of convincing to do.
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#4 2006-09-22 23:27:12
- cIclops
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- Registered: 2005-06-16
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Re: General Relativity confirmed accurate to 0.05%
Does that mean that if you want more accuracy relativity is no good or does it mean that they verified it to that accuracy but haven’t found a suitable test for more accurate verification.
Aslo expect about February 2007 the results from the GP-B satelllite experiment, it is testing two more, so far unverified, predictions of GR. These are the geodetic and frame-dragging effects. Failure to detect either of these will be extremely serious for GR.
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#5 2024-09-11 19:28:05
- SpaceNut
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- From: New Hampshire
- Registered: 2004-07-22
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Re: General Relativity confirmed accurate to 0.05%
bump on Einstein but we have another topic on the equation that postulates E=MC^2
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