ESO / B. TA FRESHI ion SAILING THE SOUTHERN SKIES Argo Navis once sailed intact, but it has since been splintered into several separate and distinct constellations. Here the Carina Nebula glows high in the Chilean sky above a dish of the ALMA submillimeter array. sk yandtelescope.org * MARCH 2 02 0 23http://www.skyandtelescope.org