The discovery could help change the way the universe and the rule of physics are viewed.
The information from the satellites could help scientists understand how elements are spread across the galaxy.
The technique, which has already unearthed stars, allows scientists to see what is invisible.
If, as researchers believe, the 2l/Borisov comet comes from another galaxy this makes it a huge discovery: as the first comet from so far away and the second object from intergalactic space observed in the Solar System.
The team from the University of Warsaw say their unique map, which was based on observing 2,400 stars less than 250 million years old, is more accurate than models currently in use.
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