| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,526,975,348 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
regolith |
Also found in: Wikipedia | 0.09 sec. |
regolithSurface layer of loose material that covers most bedrock. It consists of eroded rocky material, volcanic ash, river alluvium, vegetable matter, or a mixture of these known as soil. 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 | |
|---|---|---|
| They then wouldn't have to contend with lunar dust, which tends to seep into and degrade optical instruments. Because the moon has no atmosphere and little internal heat, the fine lunar dust has recorded the time line of geologic events--events continually erased from the dynamic surface of the Earth. I dreaded the possibility of the American flag collapsing into the lunar dust in front of the television camera. |
| Hutchinson Encyclopedia |
| Free Tools: |
For surfers:
Browser extension |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|