Binary stars are a common occurrence in our galaxy. Some scientists suggest that most stars originally formed in pairs. A 2017 study confirmed that stars can be born in pairs from a single gas and dust nebula.
If the Sun had a companion, its influence could explain such unusual phenomena as the structure of the Oort cloud and the crust of ice and rock surrounding the solar system.
It is also suggested that this satellite may have contributed to the emergence of the hypothetical “Ninth Planet”.
Modern telescopes such as the Vera Rubin Observatory may shed light on this mystery. However, finding the “lost twin” is extremely difficult; It could be nearby or on the other side of the galaxy.
If the hypothesis is confirmed, important clues will be given about the nature of star systems and their impact on the formation of planets.
Source: Ferra

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