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RECENT POSTS IN THIS TOPIC

Steve Dufourny: on 8/3/21 at 19:19pm UTC, wrote You are welcome, I liked it indeed , the newtoniam mechanics, the DE, the...

Christian Corda: on 8/3/21 at 17:35pm UTC, wrote Thanks Steve, I am happy that you like it. Cheers,Ch.

Steve Dufourny: on 8/2/21 at 17:30pm UTC, wrote Hi, It is an interesting paper, friendly

Christian Corda: on 8/2/21 at 15:51pm UTC, wrote Dear Joe, Thanks a lot. It is an honour for me to have my paper signalled...

Joe Schindler: on 7/19/21 at 18:20pm UTC, wrote Thank you to Dr. Christian Corda for suggesting we open a thread to discuss...



FQXi FORUM
September 28, 2021

CATEGORY: Cosmology [back]
TOPIC: The secret of planets’ perihelion between Newton and Einstein [refresh]
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FQXi Administrator Joe Schindler wrote on Jul. 19, 2021 @ 18:20 GMT
Thank you to Dr. Christian Corda for suggesting we open a thread to discuss their recent result The secret of planets’ perihelion between Newton and Einstein, which was published in Physics of the Dark Universe in May 2021.

Abstract:

"Three different approaches show that, contrary to a longstanding conviction older than 160 years, the advance of Mercury’s perihelion can be achieved in Newtonian gravity with a very high precision by correctly analyzing the situation without neglecting Mercury’s mass. General relativity remains more precise than Newtonian physics, but Newtonian framework is more powerful than researchers and astronomers were thinking till now, at least for the case of Mercury.

The Newtonian formula of the advance of planets’ perihelion breaks down for the other planets. The predicted Newtonian result is indeed too large for Venus and Earth. Therefore, it is also shown that corrections due to gravitational and rotational time dilation, in an intermediate framework which analyzes gravity between Newton and Einstein, solve the problem. By adding such corrections, a result consistent with the one of general relativity is indeed obtained.

Thus, the most important results of this paper are two: (i) It is not correct that Newtonian theory cannot predict the anomalous rate of precession of the perihelion of planets’ orbit. The real problem is instead that a pure Newtonian prediction is too large. (ii) Perihelion’s precession can be achieved with the same precision of general relativity by extending Newtonian gravity through the inclusion of gravitational and rotational time dilation effects. This second result is in agreement with a couple of recent and interesting papers of Hansen, Hartong and Obers. Differently from such papers, in the present work the importance of rotational time dilation is also highlighted.

Finally, it is important to stress that a better understanding of gravitational effects in an intermediate framework between Newtonian theory and general relativity, which is one of the goals of this paper, could, in principle, be crucial for a subsequent better understanding of the famous Dark Matter and Dark Energy problems."

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Christian Corda wrote on Aug. 2, 2021 @ 15:51 GMT
Dear Joe,

Thanks a lot. It is an honour for me to have my paper signalled in FQXi.

Cheers, Ch.

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Steve Dufourny replied on Aug. 2, 2021 @ 17:30 GMT
Hi, It is an interesting paper, friendly

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Christian Corda replied on Aug. 3, 2021 @ 17:35 GMT
Thanks Steve, I am happy that you like it.

Cheers,Ch.

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Steve Dufourny replied on Aug. 3, 2021 @ 19:19 GMT
You are welcome, I liked it indeed , the newtoniam mechanics, the DE, the DM and this GR merit to find their secrets, we need to better understand them at all scales , congrats .

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