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"What's truly amazing is that we can detect these ancient structures at all.""What's truly amazing is that we can detect these ancient structures at all."Astronomers using the European Space Agency's Gaia space telescope have discovered some of the earliest forebears of our galaxy: two streams of ancient stars, both formed over 12 billion years ago., the streams predate the Milky Way's disc and spiral arms, its most fundamental structures.
"What's truly amazing is that we can detect these ancient structures at all," study co-author Khyati Malhan at the Max Planck Institute for Astronomy in Germany said in a"The Milky Way has changed so significantly since these stars were born that we wouldn't expect to recognize them so clearly as a group.
"The stars there are so ancient that they lack many of the heavier metal elements created later in the Universe's lifetime," coauthor Hans-Walter Rix at the Max Planck Institute said in the statement.
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