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A Mysterious Nebula
which is part of the Keyhole Nebula. This region, about 8,000 light-years from Earth, is located adjacent to the famous explosive variable star Eta Carinae, which lies just outside the field of ...
Eta Carinae shines in X-rays in this image from NASA's Chandra X-ray Observatory. The colors indicate different energies. Red spans 300 to 1,000 electron volts (eV), green ranges from 1,000 to ...
which is part of the Keyhole Nebula. This region, about 8,000 light-years from Earth, is located adjacent to the famous explosive variable star Eta Carinae, which lies just outside the field of ...