Below 1.3 mHz the solar background level increases as well as the energy of the solar acoustic modes decreases. This situation yields the detection of low degree p-modes extremely difficult because the signal to background ratio is very small (S/B ll 1). Yet, these modes are of paramount importance to be able to infer the structure of the solar

A combination of inverse and forward analysis techniques has been applied to p-modes rotational splittings in order to infer the solar rotation rate in the deeper radiative regions (r 0.45Rodot). In this analysis, we first infer the rotation distribution down to 0.45Rodot using a 2D inversion method. We then use that rotation rate to discuss the

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We discuss how, in the 1970's, Eddy took clues from the historical researches of Spörer and Maunder in the 19th century to draw attention to the virtual absence of sunspot activity between 1645 and 1715. This ``Maunder Minimum'' is not only of interest to solar physicists in the context of the theory of solar magnetic activity, and to stellar

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