Alpha Centauri. What secrets does the closest star system to us hold?
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For about a hundred years, Earth has been emitting a large number of structured radio signals into space. Earth's radio noise has long reached dozens of other star systems, including Arcturus, located 37 light-years away, and Aldebaran, which is about 65 light-years away. Furthermore, signals from our planet can be detected on the surface of many potentially habitable exoplanets, such as Ross 128 b and Gliese 667 Cc. However, the Alpha Centauri triple star system remains the Sun's closest stellar neighbor, making it the most obvious candidate for the first interstellar flight.
00:00 Introduction
00:46 How Far Our Radio Signals Have Traveled
01:34 Alpha Centauri System
02:12 Alpha Centauri A
03:27 Alpha Centauri B
04:54 Proxima Centauri
06:36 Proxima Centauri b
08:22 Proxima Centauri c
10:30 Breakthrough Starshot
11:07 End
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