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Mysterious, irradiated 'scar' in our galaxy points to 2 stars that almost hit the sun

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

Close brush with two hot stars millions of years ago left a mark just beyond our solar system

Roughly 4.4 million years ago, two stars known as Epsilon and Beta Canis Majoris flew past Earth's sun at a distance of about 30 to 35 light-years. In the process, they altered the chemistry of what ...