In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its peak, FU Ori was intrinsically ...
Switch on is automatic if a UV wavelength is selected. Deuterium Lamps are guaranteed for one year. The measurement of an absorption band should always be carried out at the wavelength of peak ...