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Obliquity at a given age, from AstroGeo22 if available, else today's value

Source: R/astro_obliquity.R
astro_obliquity.Rd

Obliquity at a given age, from AstroGeo22 if available, else today's value

Usage

astro_obliquity(age_ma)

Arguments

age_ma

Age in Ma at which the obliquity is wanted (numeric, single value; if a vector is given, only its first value is used). The nearest row of the AstroGeo22 table installed with WaverideR is taken (if that copy is missing it is downloaded to tempdir()); if no table is available today's obliquity (23.2545 degrees) is returned. Required, no default.