Planetary Nebula HuBi 1 (IMAGE)

The University of Hong Kong

Planetary Nebula HuBi 1

Caption

Planetary nebula HuBi 1 shows a double-shell structure -- a hydrogen-rich outer shell and a nitrogen-rich inner shell, after its central star experienced a "born-again" event.

Credit

(Image adopted from Guerrero, Fang, Miller Bertolami, <em>et al</em>., 2018, <em>Nature Astronomy</em>, tmp, 112)

Usage Restrictions

Please credit (Image adopted from Guerrero, Fang, Miller Bertolami, et al., 2018, Nature Astronomy, tmp, 112) when using the image

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