Scientists think this star is a time capsule of the dawn of the universe

Astronomers have discovered the first clear example of a star made entirely of materials from one of the very first stars.

Researchers spotted the extremely ancient and chemically primitive star in Pictor II, a satellite of a satellite: Pictor II is a dwarf galaxy that orbits the Large Magellanic Cloud, which, itself, circles the Milky Way. The star's unusual makeup suggests it formed after a weak supernova of one of the original stars in the universe. 

The star, known as PicII-503...