Astronomers have identified an ancient white dwarf system, over 10 billion years old, containing planetary debris with unusual, high concentrations of lithium and potassium. This debris, found 90 light-years away, suggests a planetary composition unlike anything seen in our own solar system. Read the full analysis at Mashable .
Astronomers have identified an ancient white dwarf system, over 10 billion years old, containing planetary debris with unusual, high concentrations of lithium and potassium. This debris, found 90 light-years away, suggests a planetary composition unlike anything seen in our own solar system. Read the full analysis at Mashable .
