Maine The post How can the visible universe be 46 billion light-years in radius when the universe is only 13.8 billion years old? appeared first on Astronomy Magazine.
"We think every dense, dusty region that we see, and most of the ones we don't see, look like this on the inside — we just have never been able to look inside them before." ...
Researchers in the Wulong district of Chongqing Municipality in Southwest China have discovered a set of ancient wooden slips dating back to the Western Han Dynasty (206BC-AD25), said a report by ...