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.
Coal fires in the United States have been burning for decades; others in China have burned for centuries. China's coal fires destroy over five times more coal than the nation mines, and coal fires in China alone add up to about 3 percent of the whole Earth's fossil-fuel CO 2 load.