Nebula · In the Milky Way

Helix Nebula

Planetary nebula, NGC 7293

From the Sun

655 light-years

Helix NebulaOpen in 3D
Picture: ESO/VISTA/J. Emerson. Acknowledgment: Cambridge Astronomical Survey Unit

What it is

The outer layers of a dying Sun-like star, cast off over the last 10,000 years. One of the nearest planetary nebulae.

The picture hangs at that distance facing Earth, as large as it is on the sky; how deep the object is cannot be seen, so it is flat.

The picture

Taken by
European Southern Observatory
Picture spans
about 7.1 ly
From the Sun
655 light-years
RA / Dec
337.41° / -20.84°

Helix Nebula

The Helix Nebula is a planetary nebula (PN) located in the constellation Aquarius. Discovered by Karl Ludwig Harding, most likely before 1824, this object is one of the closest to Earth of all the bright planetary nebulae. The distance, measured by the Gaia mission, is 655±13 light-years.

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In the Milky Way