The comparison in Figure 12 displays the discrepancies concerning the outcomes of The 2 ways, that are notably outstanding toward the Galactic center. Astronomy is often a science based upon observation. Significant industry sky surveys are of excellent importance into the study on the construction and evolution of your Galaxy. https://billionaire-brain-wave-re49370.theisblog.com/32940027/new-step-by-step-map-for-the-stellar-abundance-review