* Astronomy

Hubble Sees J 900 Masquerading as a Double Star

The object in this image is Jonckheere 900 or J 900, a planetary nebula - glowing shells of ionised gas pushed out by a dying star. Discovered in the early 1900s by astronomer Robert Jonckheere, the dusty nebula is small but fairly bright, with a relatively evenly spread central region surrounded by soft wispy edges.
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