Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
Illustration of two giant binary stars that despite having the same gas cloud parent are non-identicalOddly enough, binary stars born from the same parental cloud of collapsing gas and dust aren't always identical twins. It's possible they even possess different kinds of orbiting planets. But, why would that be? Well, astronomers may finally have an answer.
Prior to this study, scientists had posited three possible explanations for why stars born from the same cloud could vary. Two of these theories suggested that changes to the stars occurred long after formation. "GHOST's extremely high-quality spectra offered unprecedented resolution, allowing us to measure the stars’ stellar parameters and chemical abundances with the highest possible precision," Saffe said.
Furthermore, by showing how stars with different chemistry can surely come from the same gas clouds, the results may also provoke astronomers' to revise the way they identify stellar origins based on chemical makeup., as signs of this violent process on the surfaces of stellar bodies may, in reality, just be a result of how a star was born.
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