An unusual x-ray signal from the Helix Nebula, first detected in 19180, could stem from a star destroying a nearby planet. Credit: NASA/CXC/A. Hobart ...

The Helix Nebula is one of the closest and most remarkable examples of a planetary nebula*. It lies in the constellation of Aquarius (The Water Bearer), about 700 light-years away from Earth.

The Helix Nebula (also known as NGC 7293) represents a dying star known as a planetary nebula.The new picture, released Wednesday (Oct. 3), combines data from NASA's Spitzer Space Telescope, which ...

Helix's central star once resembled the Sun, but its outer layers of gas and dust sloughed off. The resulting planetary nebula, located some 700 light-years from Earth, is what telescopes now see.

The Helix Nebula, NGC 7293, is not only one of the most interesting and beautiful planetary nebulae; it is also one of the closest nebulae to Earth, at a distance of only 710 light years away. A ...

A new photo snapped by the European Southern Observatory's Vista telescope shows the Helix Nebula, a planetary nebula located about 700 light-years from Earth in the constellation Aquarius.

A newly released image of the planetary nebula taken in infrared light brings into view what normally can't be seen in visible light. Anne Dujmovic was a senior editor at CNET. Her areas of focus ...

The Helix nebula, located about 700 light-years away in the constellation Aquarius, was formed when a star much like our Sun died and sloughed off its skin, or outer layers.

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The Helix Nebula, NGC 7293, is not only one of the most interesting and beautiful planetary nebulae; it is also one of the closest nebulae to Earth, at a distance of only 710 light years ...