-- card: 4712 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 2623 -- name: -- part contents for background part 30 ----- text ----- 17 -- part contents for background part 31 ----- text ----- 4 -- part contents for background part 32 ----- text ----- 6 -- part contents for background part 13 ----- text ----- The distance to the galactic center can be found -- part contents for background part 14 ----- text ----- from radio observations of supernovae -- part contents for background part 15 ----- text ----- from trigonometric parallax determinations -- part contents for background part 16 ----- text ----- from the radial velocities of main sequence stars -- part contents for background part 17 ----- text ----- from the photometric distances of globular clusters -- part contents for background part 25 ----- text ----- 4 -- part contents for background part 38 ----- text ----- false