Astronomers say they've found an "interstellar tunnel" in our solar neighborhood that could lead to other star systems.
As detailed in a new study published in the journal Astronomy & and Astrophysics, 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.
Using extensive data collected by the eROSITA telescope, the first x-ray observatory fully outside of the Earth's atmosphere, the researchers generated a 3D model of the entire LHB, confirming some features that astronomers had predicted, but also uncovering entirely new ones.
"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, in a statement. "This region stands out in stark relief thanks to the much-improved sensitivity of eROSITA and a vastly different surveying strategy compared to ROSAT," the space telescope's predecessor.
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