Astronomy & science · first seen 31 Aug, updated 31 Aug
Thirty-nine Hubble-timed globular clusters in the inner 20,000 light-years of the Milky Way revealed a third age-metallicity sequence — proof a 500-million-solar-mass dwarf named LKH was swallowed 11.8 billion years ago, 1.8 billion years before Gaia-Sausage-Enceladus
Our galaxy's earliest cosmic meal reveals itself in the chemical signatures of ancient star clusters—a dwarf galaxy devoured when the universe was barely a billion years old. The post Thirty-nine Hubble-timed globular clusters in the inner…
Summary from SpaceDaily.