The visible space is big, complex and can be incredibly beautiful.The sky (or celestial dome) is everything that lies a certain distance above the surface of the Earth, including the atmosphere and outer space.
Rosette Nebula (NASA, Spitzer, This infrared image shows the Rosette nebula, a star-forming region more than 5000 ly away in the constellation Monoceros. Lurking inside this nebula are so-called 'danger zones'. These zones surround super hot stat
This image from Nasa's Spitzer Space Telescope shows a stellar nursery containing thousand of young stars & developing protostars near the sword of the constellation Orion. I heart the Spitzer space telescope.