The oldest continents in the Milky Way may be 5 billion years older than Earth's
Several exoplanets at the edge of our galaxy could have formed continents — and advanced life — 5 billion years earlier than Earth, new research suggests.
https://www.livescience.com/space/exoplanets/the-oldest-continents-in-the-milky-way-may-be-5-billion-years-older-than-earths #Astrobiology #planets #continents #life #exoplanets #tectonics