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 ...

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the planetary nebula IC 418 lies about 2000 light-years from Earth in the constellation Lepus. Light and shadow in the Carina Nebula: Previously unseen details of a mysterious, complex structure ...