"Télescopes spatiaux." . . . . . . . "Atlas of galaxies useful for measuring the cosmological distance scale" . . . . . . "Atlases" . . . . . . . . "Atlas of galaxies : useful for measuring the cosmological distance scale" . . . . . . . . . . . "galaxie [atlas]" . . "Galaxies Atlas." . . . . "Distances (Cosmologie) Mesure." . . "Cosmological distances Measurement" . . "Hubble Space Telescope" . . "Galaxies Atlases" . .