| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 3,904,124,439 visitors served. |
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Coma cluster |
Also found in: Wikipedia | 0.01 sec. |
|
|
Coma cluster [′kō·mə ‚kləs·tər]
(astronomy) A group of over 1000 bright galaxies having a recession velocity of about 4300 miles (6900 kilometers) per second. An open cluster of about 100 stars at a distance of about 80 parsecs (1.5 × c1015miles or 2.5 × 1015kilometers). Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
|
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup |
|---|