SKU: 90296516112

Urbain Le Verrier on the Movement of Mercury - annotated translations

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Urbain Le Verrier on the Movement of Mercury - annotated translationsIn 1916, Einstein proposed three tests of general relativity, subsequently called the "classical tests" of general relativity: the perihelion precession of Mercury's orbit the deflection of light by the Sun the gravitational redshift of light. The key evidence on which Einstein relied to support his theory was the first of these, which related to unexplained errors in the observations of Mercury's orbit reported in 1859 by Urbain Le Verrier, the

In 1916, Einstein proposed three tests of general relativity, subsequently called the "classical tests" of general relativity:
¥ the perihelion precession of Mercury's orbit
¥ the deflection of light by the Sun
¥ the gravitational redshift of light.
The key evidence on which Einstein relied to support his theory was the first of these, which related to unexplained errors in the observations of Mercury's orbit reported in 1859 by Urbain Le Verrier, the Director of the Paris Observatory. As the available publications that led to Le VerrierÕs claim, which were developed over a period of nearly two decades, were complex and only available in French, as part of a larger project, I translated them into English and annotated them, to make them easier to understand. As it appeared that this might be helpful to other researchers, I decided to publish my translations in the current volume.

This book provides translations of two books, Le Verrier, U. -J. (1841), DŽveloppements sur Plusieurs Points de la ThŽorie des Perturbations des Plan�tes (Developments on several points of the Theory of Perturbations of Planets); and Le Verrier, U. -J. (1845), ThŽorie du mouvement de Mecure (The Theory of the Movement of Mercury); and a 195-page article, Le Verrier, U. -J. (1859), Theorie du Mouvement de Mercure (The Theory of the Movement of Mercury), Chapter XV in the Annales de LÕObservatoire ImpŽrial de Paris. It also includes a translation of the 1859 letter in which Le Verrier reported his claim, Lettre de M. Le Verrier ˆ M. Faye sur la thŽorie de Mercure et sur le mouvement du pŽrihŽlie de cette plan�te (Letter from M. Le Verrier to M. Faye on the theory of Mercury and on the perihelion movement of this planet), which was published in the Comptes rendus hebdomadaires des sŽances de l'AcadŽmie des Sciences (Paris).

The conclusions from this detailed review are that, rather than implying a systematic error in the calculated values, the steady reduction in the errors in the equations of condition could be seen to be a demonstration of a linear improvement in the accuracy of the measurements over time as one might expect, resulting in no adjustment to the elliptic elements, and no difference between the calculated rates of precession, and no support for EinsteinÕs theory of general relativity.

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SKU: 90296516112

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Surfer Bob
Houston, US
★★★★★ 5
Really nice and unique watch
Color: Black/Black/Black
This watch really caught my eye on Amazon. Every once in awhile you order an item and it looks better in person than it does in a picture. This is one of those items. It looks really great in person! I collect mostly unique watches that look different than a normal watch. What is really unique about this watch is that it has 2 separate second hands. One that is always ticking for the time and another one that starts going with the Chronograph. Not sure I've ever seen that on another watch. Sure I've seen subdials that do this, but this is 2 full size second hands. And they look different also so they don't get confused. I've never seen this one in a store which is a shame because I think Timex has some great watches right now and I don't think a lot of people know about them.
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Reviewed in the United States on December 12, 2025
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Nelson Ehrlich
Birmingham, US
★★★★★ 4
nice but.
So, this really is a nice watch and if you can get it on sale it's a bargain. The bracelet is junk, with hollow end links. I would recommend replacing that with some type of fabric or rubber type strap. The reason I took one star off is because the chrono function isn't the best style. If you don't plan to use it much or only plan to use it for 10 minutes or less that's fine. More than that and the minutes counter flies back to zero and starts counting again which can be confusing and the next register is the combo 24hr and chrono minutes/hours counter which isn't easy to use for timing say 30 minutes or so. The standard type chrono counters are way better by design and Timex sells another one with standard counters with neat multicolored registers for less money. Otherwise it's a solid watch comfortable to wear not too big or thick or heavy. Of course it has mineral glass for the xtl so you need to be careful or it will scratch pretty easily but for the price.....
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Reviewed in the United States on September 7, 2024
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Huusi Huudi
Waukegan, US
★★★★★ 5
Value-packed chrono offers so much
I love this watch. Dial and movement are fascinating. It’s quite a show when the chrono is engaged, the timekeeping central seconds hand conyinues sweeping around, and the chrono’s central seconds hand is also sweeping. So you have two central seconds hands chasing each other around the dial when the chrono is engaged. On the retrograde subdial displays, time for a second time zone is displayed when chrono is not engaged. Elegant logo counterweight on one hand. Lots of content, complication and engagement for very little money. Highest recommendation for those interested in a watch that has a lot to offer.
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Reviewed in the United States on January 25, 2026
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Greg
Grantham, US
★★★★★ 5
Very nice!
Color: Stainless Steel
This is a very nice watch! Feels great!!!
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Battle Creek, US
★★★★★ 5
Very nice watch for the money!
Little heavier than I thought. Weighs about 7 oz. the band itself weighs 4 oz. I replaced it with a much lighter leather band. Much more comfortable.
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Reviewed in the United States on December 8, 2025

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