Ideas tagged with astrometry

Beyond Gaia: A Deep-Space Astrometric Mission To Obtain ~1% Parallax Distances at 10 kiloparsecs

The [Gaia space telescope]( is currently measuring parallax distances for Galactic stars with ~1% precision out to ~1kpc. This will be a revolutionary data set, but order-of-magnitude improvements are possible with a next-generation mission that is already achiev...

By Khee-Gan Lee