The Milky Way galaxy has a graveyard of dead stars that stretches three times the height of the galaxy, according to new research.
Astronomers found the ancient stellar remnants when they mapped this"galactic underworld" for the first time.
The very supernova explosions that triggered the collapse of the stars actually kicked them out into interstellar space. Researchers determined that 30% of those stellar remnants have been kicked out of the galaxy completely, according to their study published in the latest issue of the journal Monthly Notices of the Royal Astronomical Society.
The researchers faced many challenges when trying to retrace the steps of the ancient stars and their violent death throes. When a star explodes in a supernova, it receives a"kick." The new map includes where the stars were born within the Milky Way, where they exploded and their eventual resting places.
France Dernières Nouvelles, France Actualités
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Graveyard of ancient stars uncovered in the Milky Way | CNNThe Milky Way galaxy has a graveyard of dead stars that stretches three times the height of the galaxy, according to new research. Astronomers found the ancient stellar remnants when they mapped this 'galactic underworld' for the first time.
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Graveyard of ancient stars uncovered in the Milky Way | CNNThe Milky Way galaxy has a graveyard of dead stars that stretches three times the height of the galaxy, according to new research. Astronomers found the ancient stellar remnants when they mapped this 'galactic underworld' for the first time.
Lire la suite »
First ever map of Milky Way's galactic graveyard revealedRemnants of ancient stars are sometimes kicked out of the galaxy.
Lire la suite »