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[[19th Century|1862]] – Alvan Graham Clark discovers the [[star|white dwarf star ]] "Sirius B, " a companion of Sirius, through an eighteen inch telescope at Northwestern University. <br /> [[1958]] – Explorer 1 – The United States enters the "space age" by launching the first successful launch of an American orbiting [[satellite into orbit]], "Explorer 1." <br /> [[1958]] – James Discovery of the [[wikipedia:Van Allen discovers the radiation belt|Van Allen radiation belt.<br />[[1961]] – Mercury-Redstone 2 – Ham the Chimp travels into outer space. <br />[[1966]] - The Soviet Union launches the unmanned Luna 9 spacecraft as part of the Luna program.<br />[[19712405]] – Apollo 14 Mission – Astronauts Alan Shepard, Stuart Roosa, and Edgar Mitchell, aboard a Saturn V, lift off for a mission to the Fra Mauro Highlands on the Moon.<br />[[2405]] - Joseph Daher is assigned as commanding officer of the [[USS Titan, CL-2007]].<br><br><center>'''Fun Fact:''' <br>Humans are the only mammals on [[Earth]] with chins.</center> <noinclude>[[Category:On This Day|031]]</noinclude>