The conversation between human and AI assistant.
How long will it take for the cosmic microwave radiation to pass us?
That's amazing! I wonder, how did scientists discover the cosmic microwave radiation in the first place?
The cosmic microwave background radiation was first detected in 1964 by two radio astronomers, Arno Penzias and Robert Wilson. They were using a large radio telescope in New Jersey to try to pick up signals from a distant galaxy, but instead they discovered a faint noise that seemed to be coming from all directions. Further analysis showed that this noise was the cosmic microwave background radiation.