Daily Extra :
Astronomy & Space Word of The Day
Extraterrestrial: Anything which originates, is located, or occurrs outside Earth or its atmosphere.
Today in History:
1961: Thirty days exposure to simulated vacuum of space killed bacteria by causing them to disintegrate molecule by molecule, was finding of studies reported by the Materials Testing Laboratory of Hughes Aircraft Co. Dr. Charles G. Walence reported that sterilization of space vehicles probably could be eliminated from current planning.