An Etymological Dictionary of Astronomy and Astrophysics

A planetary nebula in the Aquarius constellation discovered by William Herschel in 1782.
It has a size of about 0.3 x 0.2 light-years and lies about 1400 light-years away. Also known as NGC 7009.

See also: → Saturn, such named by Lord Rosse in the 1840s, because the object has a vague resemblance to the planet Saturn in low-resolution telescopes;
→ nebula.