Difference between revisions of "October 13"
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− | [[18th Century|1773]] – The Whirlpool Galaxy is discovered by Charles Messier.<br | + | [[18th Century|1773]] – The Whirlpool Galaxy is discovered by Charles Messier. <br> |
− | [[19th Century|1892]] – Edward Emerson Barnard discovers D/1892 T1, the first comet discovered by photographic means. | + | [[19th Century|1892]] – Edward Emerson Barnard discovers "D/1892 T1," the first comet discovered by photographic means. <br> |
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<noinclude>[[Category:On This Day|287]]</noinclude> | <noinclude>[[Category:On This Day|287]]</noinclude> |