Sh2-155 – The Cave Nebula
Sh2-155 – The Cave Nebula Sh2-155, known as the Cave Nebula, is an emission region located in the constellation of Cepheus, about 2,400 light-years from Earth. It is part of the Cepheus molecular cloud complex and stands out for its dark, sculpted appearance, resembling the entrance of a cave illuminated from the outside. Its combination […]
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