The Ghost Nebula | Hubble
IC 63—nicknamed the Ghost Nebula—is about 550 light-years from Earth. The nebula is classified as both a reflection nebula—as it is reflecting the light of a nearby star—and as an emission nebula—as it releases hydrogen-alpha radiation. Both effects are caused by the gigantic star Gamma Cassiopeiae. The radiation of this star is also slowly causing the nebula to dissipate.
Credit: European Space Agency/Hubble, NASA
Release Date: October 25, 2018
#NASA #ESA #Astronomy #Space #Hubble #ReflectionNebula #EmissionNebula #IC63 #GhostNebula #Cassiopeia #Constellation #Cosmos #Universe #SpaceTelescope #GSFC #STScI #UnitedStates #Europe #STEM #Education
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