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.
I have a torch lighter, when I fire it up the flame is blue, after a while it heats up a little element inside which turns bright red, at that point the flame turns green (somehow the element alters the color). I was wondering how hot this green flame is in comparison to a blue flame lighter or even a regular... show more I have a torch lighter, when I fire it up the flame is blue, after a while it heats up a little element inside which turns bright red, at that point the flame turns green (somehow the element alters the color). I was wondering how hot this green flame is in comparison to a blue flame lighter or even a regular yellow flame.