A watch of our Galaxy plus the effective quantity that Gaia will survey (courtesy X. Luri and also a. Robin), based on current simulations of Gaia mock catalogs. Even in the age of Gaia, dust extinction and picture crowding will Restrict the exploration on the Disk to merely a quadrant https://billionaire-brain-wave-re92658.tkzblog.com/32574596/the-stellar-abundance-fundamentals-explained