Encyclopedia > Helix Nebula

Article Content

Helix Nebula

In astronomy, the Helix Nebula is one of the closest planetary nebulae to Earth.

It lies 140 parsecs or 450 light-years from Earth in the Aquarius constellation and has an angular diameter[?] of about 0.5°.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Northwest Harbor, New York

... household size is 2.59 and the average family size is 3.04. In the town the population is spread out with 25.2% under the age of 18, 4.8% from 18 to 24, 27.3% from 25 to ...