| Exoplanetary Scratchpad |
The nearest planetary nebula. The dust observed may be from thousands of comets banging into each other.
Helix Nebula System Web Pages[]
Helix Nebula Artwork[]
<sample description>
<sample description>
Helix Nebula In the News[]
Sample Category (Year Range)[]
http://sample_url.com http://sample_url.com
Dust Formation Could Be Caused By Comet Collisions (2007)[]
http://dsc.discovery.com/news/2007/02/14/comet_spa.html?category=space&guid=20070214143030
http://www.space.com/scienceastronomy/070212_helix_comets.html
Helix Nebula System Fun Links[]
- Non-science article - <Description>
- Non-science article - <Description>
Helix Nebula System Factoids[]
- Sample Factoid
- Sample Factoid
Helix Nebula Primary Star Factoids[]
- Sample Factoid
- Sample Factoid
Helix Nebula Dust Formation Factoids[]
- Sample Factoid
- Sample Factoid
Map of Helix Nebula[]
0.00 AU - Primary Star
x.xx AU - <periapsis/semi-major-axis/apapsis of sample planet>
x.xx AU - <habitability zone/stability zone/disk feature positions>