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But because the signals emanate from the crowded galactic plane, optical telescopes could not see which of many stars might be producing them.

In recent months, however, radio astronomers have spotted LPTs outside the galactic plane.

"Our new discovery lies far off the Galactic Plane, so there are only a handful of stars nearby, and we're now certain one star system, in particular, is generating the radio waves."

By studying magnesium atom emission signals, the team was also able to map the morphology of these winds, which appear as cones of matter perpendicularly ejected from both sides of the galactic plane.

Image: The new survey dataset of the galactic plane of the Milky Way contains 3.32 billion celestial objects — the largest such catalogue so far.