isophote

/ (ˈaɪsəˌfəʊt) /

noun

astronomy a line on a diagram or image of a galaxy, nebula, or other celestial object joining points of equal surface brightness

Words nearby isophote

isoperimetry, isoperistaltic anastomosis, isophagy, isophone, isophoria, isophote, isophthalic acid, isopiestic, isoplastic, isoplastic graft, isopleth