The Alien Observatory: Ancient Stars in Milky Way’s Halo –“May Harbor Advanced Civilizations”

    The Milky Way is nearly 14 billion years old, and its oldest stars developed in the early stage of the galaxy’s formation, making them about six to nine billion years old. They’re found in the halo, a roughly spherical component of the galaxy that formed first, in which old stars move in orbits … Continue reading The Alien Observatory: Ancient Stars in Milky Way’s Halo –“May Harbor Advanced Civilizations”