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With data (dữ liệu) from the Kepler (NASA), Gaia (ESA) and SOHO (NASA/ESA) satellites (vệ tinh), a team, led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Ângela Santos, seems to have put an end to the idea that the sun might not be a regular "sun-like" star.

Although it might seem odd to try to find out if the sun is a sun-like star, Ângela Santos, a researcher at IA, explains the problem: "In the community, there is an ongoing debate (tranh luận) on whether the sun is a 'sun-like' star. In particular, about its magnetic activity, several studies suggested that stars similar to the sun were significantly more active. However, the problem doesn't seem to be with the sun, but with the stars classified (phân loại) as sun-like, because there are several limitations and biases in the observational data and the inferred stellar (thuộc sao) properties," adds Santos.