What is the most distant object humans have ever seen in the known Universe? The latest record-holder is a galaxy that is about 13.4 billion light-years away! Or, is it? Something screwy is going on when we talk about distances in an our ever-expanding Universe.
The Universe itself is roughly 13.8 billion years old, so this distant galaxy (MACS0647-D) is indeed old, since its light has been traveling to us for 13 billion years.
In comparison, our Solar System is only about 4.6 billion years old... more
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