The discovery of a metal-rich star packed with both light and heavy elements hints at exotic stellar explosions and the role of ancient dwarf galaxies in seeding the cosmos with uranium and thorium.

How an odd star in the 'Gaia Sausage' could help solve one of astronomy's most enduring mysteries

Source: space
Source Link: https://www.space.com/astronomy/how-an-odd-star-in-the-gaia-sausage-could-help-solve-one-of-astronomys-most-enduring-mysteries