| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,799,484,265 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
stellar population |
Also found in: Wikipedia, Hutchinson | 0.04 sec. |
|
stellar population [′stel·ər ‚päp·yə′lā·shən] (astronomy) Either of two classes of stars, termed population I and population II; population I are relatively young stars, found in the arms of spiral galaxies, especially the blue stars of high luminosity; population II stars are the much older, more evolved stars of lower metallic content; many high luminosity red giants and many variable stars are members of population II. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | ||
|---|---|---|---|
| For example, a bluish tinge is the signature of a galaxy crowded with young stars, while galaxies with an older stellar population radiate more red light. But observing the Milky Way at these longer wavelengths reveals the more common, cooler stars that make up the bulk of the galaxy's stellar population. In any stellar population, the heaviest stars burn the brightest and are the first to die. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|