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Astronomers say they've found an "interstellar tunnel" in our solar neighborhood that could lead to other star systems.the tunnel exists as part of an enormous structure of hot gas with a radius of hundreds of light years that surrounds our solar system known as the Local Hot Bubble. What's more, the findings suggest that it could connect with a nearby and even larger bubble.
"What we didn't know was the existence of an interstellar tunnel towards Centaurus, which carves a gap in the cooler interstellar medium," said study coauthor Michael Freyberg, an astronomer at Germany's Max Planck Institute for Extraterrestrial Physics, But what if our cosmic neck of the woods was empty for some reason? That would be the Local Bubble. Astronomers believe it formed some, when a chain of supernovas blew all nearby interstellar material away, creating a cavity around 1,000 light years in diameter. As evidence, we can see remnants of these supernovas today.
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