Team_Member
7,578
edits
Changes
Jump to navigation
Jump to search
added event
[[1923]] – Edwin Hubble identifies the first [[wikipedia:Cepheid_variable|Cepheid variable star]]. <br>[[1984]] – Marc Garneau becomes the first Canadian in space, aboard the Space Shuttle Challenger.<br>
<noinclude>[[Category:On This Day|279]]</noinclude>
