Sun’s Ancient Encounter With Two Hot Stars Left A Legacy In The Solar System’s Neighborhood

Sun’s Ancient Encounter With Two Hot Stars Left A Legacy In The Solar System’s Neighborhood

Early human ancestors saw much brighter stars than any in the modern night sky.

Two hot stars passed near our solar system and left a lasting mark

Around 4.4 million years ago—long before humans existed—two massive, blazing-hot stars swept past our solar system. They didn’t come close enough to pose any danger, but they came close enough to leave behind a chemical “fingerprint” that astronomers can still detect today in the clouds of gas and dust that surround us. This discovery comes […] The post Two hot stars passed near our solar system and left a lasting mark appeared first on Knowridg…

Close Brush With Two Hot Stars Left A Mark Just Beyond Our Solar System - Astrobiology

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth’s sun. They left behind a trace in the clouds of gas and dust that swirl just beyond our solar system—almost like the scent of perfume after someone has left the room. That’s one finding from new research led by Michael Shull, […] The post Close Brush With Two Hot Stars Left A Mark Just Beyond Our Solar System appeared first on Astrobiology.

Close Brush With 2 Hot Stars Millions Of Years Ago Left A Mark Just Beyond Our Solar System

Eddie Gonzales Jr. – MessageToEagle.com – That’s one finding from new research led by Michael Shull, an astrophysicist at CU Boulder, and published Nov. 24 in The Astrophysical Journal. Map of the local interstellar clouds just outside Earth’s solar system, with blue arrows showing in what directions these clouds are moving. The yellow arrow indicates […]