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Box Nebula (NGC 6445)

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description Box Nebula (NGC 6445) Overview

The Box Nebula, designated NGC 6445, is a planetary nebula in the constellation Sagittarius. Its name refers to the roughly rectangular appearance produced by the distribution of glowing ionized gas expelled by a dying star, rather than to any connection with planets. The object was discovered by William Herschel in 1786 and is studied by astronomers interested in the structure, shaping, and late stages of stellar evolution.

help Box Nebula (NGC 6445) FAQ

Why is NGC 6445 called the Box Nebula?

NGC 6445 has a roughly rectangular shape created by the distribution of glowing ionized gas. The name refers to that appearance, not to a connection with planets.

What type of object is the Box Nebula?

The Box Nebula is a planetary nebula. It is located in the constellation Sagittarius and formed from material expelled by a dying star.

Is the Box Nebula related to planets?

No. Despite the term planetary nebula, NGC 6445 is not a planet and is not known for forming a planetary system. The name describes a historical visual classification, while the object is glowing stellar ejecta.

What is the catalog number of the Box Nebula?

Its catalog designation is NGC 6445. The object is a planetary nebula in Sagittarius with a distinctive box-like outline.

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