00:00One night, a signal came from space that surprised even scientists.
00:04This was not an ordinary radio wave, its pattern was being repeated again and again.
00:19This signal reached the Earth after travelling for millions of years.
00:23Some scientists consider it a rare cosmic phenomenon, while others believe its source is still unknown.
00:29It is unknown.
00:29The signal was permanently shut down. If the same signal was a signal again, if you met the same signal again,
00:37Will we get such a signal?
00:38Part Two