Most certainly: https://en.wikipedia.org/wiki/Lagrange_point#Solar_System_values https://en.wikipedia.org/wiki/Lagrange_point#Solar_System_va... I don't think

Most certainly: https://en.wikipedia.org/wiki/Lagrange_point#Solar_System_values https://en.wikipedia.org/wiki/Lagrange_point#Solar_System_va... I don't think I understand your question about the sun. The Lagrange point used for JWST is an Earth-Sun one.