Recent content by TerryWalsh290

Thanks for the diagram and intro to the Andromeda Paradox, bobc2! So, it seems like, as Bill_K has pointed out, it is more of a theoretical curiosity rather than a reality since there is no "practical" way of an alien ever being actually connected or knowing anything about our distant future. So...

In Brian Greene's "The Fabric of the Cosmos: Illusion of Time" on PBS, http://www.pbs.org/wgbh/nova/physics/fabric-of-cosmos.html#fabric-time", he explains that if an alien were 10 billion light years away but not moving, the alien's current time (his "now slice") would be in sync with someone...