They reported their conclusions in a paper published in MNRAS. Neuhäuser and colleagues studied the historical records for star observations of a number of stars. In about 1.5 million years, it will finally explode as a supernova.” “Betelgeuse is now 14 million years old and in its late evolutionary phases. “The very fact that it changed in color within two millennia from yellow-orange to red tells us, together with theoretical calculations, that it has 14 times the mass of our Sun – and the mass is the main parameter defining the evolution of stars,” he said. Changing Colors Indicates Internal ChangeĪccording to astronomer Ralph Neuhäuser at the University of Jena in Germany, the rapid color shift is really about evolution.
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