article_snippet.sent: Peering into the heart of the Milky Way, astronomers have spotted the 'howls' of dead stars as dead stars feed on stellar companions.
article_snippet.sent: These are thought to be leaving a 'mass grave' of white dwarf stars near the centre of the Milky Way.
article_snippet.sent: But why there are so many of these stars here - which are left behind when a larger star runs out of fuel - remains a mystery.
article_snippet.sent: On theory is that when stars die, stars don't always go quietly into the night.
article_snippet.sent: These are stars left behind after larger ones use up These fuel.
article_snippet.sent: But why thousands of these stars are here remains a mystery .
highlights_snippet.sent: These are stars left behind after larger ones use up These fuel .
  
highlights_snippet.sent: But why thousands of These are there remains a mystery .