... Molecular Cloud Barnard 163 . ... It may look to some like a duck, but it lays stars instead of eggs. In the center of the above image lies Barnard 163, a nebula of molecular gas and dust so thick that visible light can't shine through it. Tycho s Supernova Remnant . ... Tycho! Tycho! burning bright In the darkness of the night, What exploding white dwarf star Did frame thy remnant from afar, In the distant deep dark skies Under gaze of human eyes? ... The Dark Tower in Scorpius . ...