In a recent study published in Nature, researchers have discovered a unique evolutionary event in a binary system known as HM Sagittae. This binary system consists of two stars - a white dwarf and a red dwarf - that orbit each other and are locked in a symbiotic relationship. What makes this system particularly interesting is that it is the first of its kind to show evidence of a binary evolution process that has resulted in an increase in the mass of the white dwarf. This could have important implications for understanding the evolution of stars in the Universe.

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source: Phys.org