When the faint star HE1327-2326 was born, the universe was a much simpler place. Stars were few, galaxies were tiny, and heavy elements such as iron were scarce. Now, some 13.5 billion years later ...

Dust Detected Around A Primitive Star, Shedding New Light On Universe's Origins. ScienceDaily. Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2009 / 01 / 090115164528.htm.

Scientists have detected an ancient star with a large amount of oxygen in its atmosphere. During the early days of the universe, there was no oxygen.