Here’s the best timeline yet for the Milky Way’s big events
Our galaxy formed its original disk 2 billion years before its stellar halo
![photo of the Milky Way with purple hues in the sky above the Large Sky Area Multi-Object Fiber Spectroscopic Telescope in China](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/032222_kc_milyway-history_feat.jpg?fit=1030%2C580&ssl=1)
The Milky Way arches over the Large Sky Area Multi-Object Fiber Spectroscopic Telescope in China, one of the observatories whose data has revealed that our galaxy began forming a disk of stars surprisingly fast after the Big Bang.
Yingwei Chen