Sun’s Missing Siblings to Be Revealed Soon by Astronomers


Sun’s missing siblings to be revealed soon by the keen astronomers from the Australian National University and many other space institutions in Australia and Europe. They think the home cluster of the sun may have hauled apart from the Milky Way, due to which all of the siblings from the sun might have scattered across the cosmos.

For this exhaustive study, the astronomers have explored as many as 350,000 stars’ chemical profiles i.e. DNA belong to the Milky Way, which they expect to be assisting them in the rigorous hunt of all the lost siblings of the sun separated millions of years back at the time of their formation by the galaxy.

Professor Martin Asplund from the ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions and Research School of Astronomy and Astrophysics, says that, “This survey allows us to trace the ancestry of stars, showing astronomers how the Universe went from having only hydrogen and helium – just after the Big Bang – to being filled with all the elements we have here on Earth that are necessary for life.”

However, researchers claimed in 2014 about their determination of one of the sun’ siblings. They discovered a star that is extremely massive as compared to the sun, named as ‘HD 162826’, while the chemical fingerprint shown that the star was formed within that only gas cloud, in which the sun was born nearly 4.5 billion years back.

Leading author of the scientific article that explains the GALAH data, Sven Buder from Max Planck Institute for Astronomy in Germany said in a statement that, “We train our computer code The Cannon to recognise patterns in the spectra of a subset of stars that we have analysed very carefully, and then use The Cannon’s machine learning algorithms to determine the amount of each element for all of the 350,000 stars.”