Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  HD150573  ·  HD150591  ·  HD150742  ·  HD150772  ·  HD150792  ·  HD150866  ·  HD150867  ·  HD150880  ·  HD150954  ·  HD150974  ·  HD150991  ·  HD151003  ·  HD151039  ·  HD151051  ·  HD151063  ·  HD151096  ·  HD151111  ·  HD151181  ·  HD151211  ·  HD151212
The Dark Tower of Scorpius (GN 16.43.7.01), Dionysus
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The Dark Tower of Scorpius (GN 16.43.7.01)

The Dark Tower of Scorpius (GN 16.43.7.01), Dionysus
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The Dark Tower of Scorpius (GN 16.43.7.01)

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Description

In silhouette against a crowded star field along the tail of the constellation Scorpius, this dusty cosmic cloud evokes for some the image of an ominous dark tower.  Spanning almost 40 light-years across, this cometary globule (also known as (GN 16.43.7.01) is shaped by intense ultraviolet radiation from the OB association of very hot stars in the open cluster NGC 6231, off the lower left of the scene.  That energetic ultraviolet light also powers the globule's bordering reddish glow of hydrogen gas.  Hot stars embedded in the dust can be seen as bluish reflection nebulae.  This dark tower, NGC 6231, and associated nebulae are about 5,000 light-years away.

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The Dark Tower of Scorpius (GN 16.43.7.01), Dionysus