Assuming humans survive, can we even conceive of what our progeny 100 million years from now might be like? We ask Frank Drake for answers. Frank Donald Drake was an American astronomer and astrophysicist. He was most notable as one of the pioneers in the search for extraterrestrial intelligence, and the founder of SETI. | Closer To Truth

The universe is expanding, and it is accelerating. If this continues, the future of astronomy is going to be very lonely. This scenario is known as the "Big Freeze." Dark energy is currently pushing galaxies apart faster and faster. If this force remains constant or gets stronger, distant galaxies will eventually be pushed so far away that their light can no longer reach us. Billions of years from now, the night sky will change dramatically. The Milky Way will have merged with Andromeda to form