Secret embraces of stars revealed by Alma

Unlike our Sun, most stars live with a companion. Sometimes, two come so close that one engulfs the other—with far-reaching consequences. When a team of astronomers led by Chalmers University of Technology, Sweden, used the telescope Alma to study 15 unusual stars, they were surprised to find that they all recently underwent this phase. The discovery promises new insight on the sky’s most dramatic phenomena—and on life, death and rebirth among the stars.


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Source: Phys.org