Difference between revisions of "January 31"
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Fun Fact:
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| − | [[19th Century|1862]] – Alvan Graham Clark discovers the white dwarf star Sirius B, a companion of Sirius, through an eighteen inch telescope at Northwestern University.<br | + | [[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]] | + | |
| − | [[1958]] – | + | [[1958]] – The United States enters the "space age" by launching the first successful orbiting [[satellite]], "Explorer 1." <br> |
| − | + | ||
| − | + | [[1958]] – Discovery of the [[wikipedia:Van Allen radiation belt|Van Allen radiation belt]]. <br> | |
| − | [[ | + | |
| − | + | [[2405]] – Joseph Daher is assigned as commanding officer of the [[USS Titan, CL-2007]]. | |
| − | <noinclude>[[Category:On This Day|031]] | + | <br> |
| − | </noinclude> | + | <br> |
| + | <center>'''Fun Fact:''' <br> | ||
| + | Humans are the only mammals on [[Earth]] with chins. | ||
| + | </center> | ||
| + | |||
| + | <noinclude>[[Category:On This Day|031]]</noinclude> | ||
Revision as of 20:46, 2 December 2022
1862 – Alvan Graham Clark discovers the white dwarf star "Sirius B," a companion of Sirius, through an eighteen inch telescope at Northwestern University.
1958 – The United States enters the "space age" by launching the first successful orbiting satellite, "Explorer 1."
1958 – Discovery of the Van Allen radiation belt.
2405 – Joseph Daher is assigned as commanding officer of the USS Titan, CL-2007.
Humans are the only mammals on Earth with chins.
