November 09

1925 – The confirmation of highly-penetrating radiation from "finite space" was announced by Robert A. Millikan, calling them "cosmic rays."
1934 – Famed US Astronomer Carl Sagan is born, known for his scientific contributions into possibility of extraterrestrial life, as well as assembling the first physical messages sent into space.
1964 – Actor Robert Duncan McNeill (Lt. Thomas Paris) is born.
1991 – Nuclear fusion was first harnessed to produce a significant amount of power. The experiment, which took place in England, was the first to produce controlled fusion power.