Category:Astronomy: Difference between revisions
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[[Category: | [[File:Astronomy 1876 Spectrum Observation Disks.jpg|200px|thumb|left|A 1876 drawing of spectrum observation disks.]] | ||
[[Category:Scientific_disciplines|{{PAGENAME}}]] |
Revision as of 16:11, 28 September 2012
Pages in category "Astronomy"
The following 7 pages are in this category, out of 7 total.