In stellar terms our Sun is only a young whippersnapper. At a mere 4.6 Billion years old, it's only a third the age of the oldest stars we’ve found.
But how do we even know which stars are old and how do we go about finding them?
Anna Frebel is a Stellar Archaeologist, Associate Professor of Physics at MIT and Author of Searching for the Oldest Stars. She joins me now…
