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Two Stars’ Swept by the Solar System 4.5 million Years Ago

DEC 11, 2025

Two winter stars left their mark long ago on wispy gas clouds near the solar system. Their passage might even have influenced life on Earth.

Two winter stars left their mark long ago on wispy gas clouds near the solar system. Their passage might even have influenced life on Earth.

The post Two Stars’ Swept by the Solar System 4.5 million Years Ago appeared first on Sky & Telescope .