DISTANCE: 16.7 light years from Sol NEIGHBORING SYSTEMS: 61 Cygni 9.7 lys Gliese 876 13.8 lys 70 Ophiuchi 16.5 lys ALTAIR is a white dwarf which has over ten times the visual luminosity of Sol. It has over twice the amount of heavy elements and radiates much more in ultraviolet wavelengths. […]