Milky Way over a Turquoise Wonderland

#beach #coast #nature #outdoors #sea #shoreline #water #night #landscape #land #sky #scenery #summer #pool #swimming pool #Milky Way over a Turquoise Wonderland What glows there? The answer depends: sea or sky? In the sea #the unusual blue glow is bioluminescence. Specifically #the glimmer arises from Noctiluca scintillans #single-celled plankton stimulated by the lapping waves. The plankton use their glow to startle and illuminate predators. This mi #by contrast #are the more familiar glows of stars and nebulas. The white band rising from the artificially-illuminated green plants is create #toward the left #and the famous Southern Cross asterism in the center. Red-glowing nebulas include the bright Carina Nebula #just right of center #and the expansive Gum Nebula on the upper right.