1962 - The Soviet Union recruited five women to become cosmonauts. 1963 - June - Valentina Tereshkova, cosmonaut from the USSR, becomes the first woman in space. She flew Vostok 6, orbiting the earth 48 times, and was in space nearly three day.
Scientists think that if we heat a certain body to an infinite temperature, the wavelength is zero !! that is there is no light at all, in other words there is black radiation and the resulting fire resulting from burning this body of the infinite temperature is dark black.
Wrong Explanation 1: Chemistry. People who know just enough chemistry to be dangerous are aware that burning copper gives off green flames, and they claim that any green flames are due to copper. I've even seen claims that the blue of a gas flame is due to the copper tubing used in the burner.