deg rad arcmin arcsec h 0 0 0 deg deg m rad h arcsec km mm kpc lyr Mpc pc AU m arcmin deg deg Mpc deg deg deg deg m rad arcsec m km AU kpc lyr Mpc pc mm arcmin h deg deg Mpc 0 deg rad arcsec km lyr Mpc kpc pc AU mm m arcmin h deg deg Mpc deg deg m deg deg m h arcsec AU pc Mpc lyr kpc mm km m arcmin rad deg deg Mpc deg d yr cy a h s deg deg deg m rad arcsec km AU kpc Mpc lyr pc mm m arcmin h deg deg Mpc h d a yr cy s rad arcsec m km AU pc kpc lyr Mpc mm arcmin h deg deg Mpc deg deg m deg deg deg deg m rad arcsec km AU kpc lyr Mpc pc mm m arcmin h deg deg Mpc 0 mm um Angstrom keV MeV TeV GeV eV nm m GHz MHz kHz Hz 3 1 0 0 0 0 0 0 REDSHIFT VELOCITY deg deg Mpc rad km AU kpc Mpc lyr pc mm m arcsec arcmin h deg deg m deg 0 0 0 0 0 rad arcmin arcsec h deg North X Y Hz kHz MHz nm eV TeV GeV MeV keV Angstrom um mm m GHz deg deg deg m h arcmin Mpc lyr kpc pc AU mm km m arcsec rad deg deg Mpc Hz kHz MHz mm um Angstrom TeV GeV MeV keV eV nm m GHz a cy yr d h s deg deg m deg deg Mpc rad arcmin arcsec mm AU Mpc lyr kpc pc km m h deg s cy yr a d h