Exoplanets: Compositions, Mineralogy, Evolution - Paperbackby No Contributor (Other) The focus for RiMG volume 90 is on rocky exoplanets because the search for truly Earth like planets is of special interest. The goal is to motivate communication between the disciplines so as to make the best use possible of existing data and data yet to be collected by the James Webb and the Nancy Grace Roman Space Telescopes, since the astronomy community is gathering data on stars and exoplanets at an accelerating rate.