| ID: | 32409 |
| Title: | binocular & telescope center - http://www.binoculardata.info |
| Pagerank: | N/A |
| Description: | Lenses and mirrors are the elements used to collect and view focused light in telescopes Mirrors are the medium for focusing in reflector telescopes, while lenses are the medium in refractors |
| Category: | Education |
| Link Owner: | cacake |
| Date Added: | February 26, 2009 11:17:03 PM |
| Number Hits: | 0 |
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