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I'd like to write a short supplementary answer to A probe floating in Sun's surface but in order to do so I need to know at roughly what depth relative to the Sun's surface the mass density reaches 1 g/cm^3.

At the bottom of the photosphere the density seems to be either 1E-06 or 1E-09 g/cm^3 as discussed in the question What is the density profile within the Sun's photosphere? but how deep do you have to go below that to reach 1 g/cm^3?

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The sun's density is 1 gm/cc at approximately 50% of the way down towards the core. if radius of Sun is R then at R/2 the density will be that of water.

@astrosnapper's comment links to this answer in Physics SE. A reverse image search of that unsourced graphic leads to

standard solar model BP2004 J. N. Bahcall and M. H. Pinsonneault, Phys. Rev. Lett. 92 (2004) 121301

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  • $\begingroup$ @uhoh Your answer beat mine by 2 minutes. i should be the one deleting an answer. Not you. $\endgroup$
    – Natsfan
    Jul 20, 2019 at 1:43
  • $\begingroup$ If you want to add your answer back i'll delete mine. $\endgroup$
    – Natsfan
    Jul 20, 2019 at 1:44
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    $\begingroup$ Thats fine with me. Thank you. $\endgroup$
    – Natsfan
    Jul 20, 2019 at 1:54

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