Powerful gushers of energy from seething stars can sculpt eerie-looking figures with long, flowing veils of gas and dust. One striking example is "the Ghost of Cassiopeia," officially known as IC 63, located 550 light-years away in the constellation Cassiopeia the Queen. The nebula’s ethereal glow might remind people of apparitions such as those reported by paranormal investigators. In reality, it's simply hydrogen that is being bombarded with ultraviolet radiation from the nearby, blue-giant star Gamma Cassiopeiae (not seen here), causing it to glow in red light. The blue color is from light reflected off of the nebula’s dust.
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