A record-breaking, oxygen-starved galaxy may be full of gigantic stars’ shrapnel
The pristine galaxy provides a glimpse at conditions that prevailed in the early universe
![dwarf galaxy HSC J1631+4426](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/04/033121_kc_oxygen-deprived-galaxy_feat.jpg?fit=1030%2C580&ssl=1)
The dwarf galaxy HSC J1631+4426 (centered in inset) is the most oxygen-deprived star-making galaxy ever seen, boasting a record low oxygen-to-hydrogen ratio.
Kojima et al/Astrophysical Journal 2021, National Astronomical Observatory of Japan