SIGNAL MONITORING BY NUMBERS
1977
The year the famous Wow! signal was detected. Scientists are still unsure of its origin
TWO
stars monitored for artificial radio signals by the first SETI search
17
Number of years taken to realise a microwave oven was causing strange signals
$100 MILLION
spent by Breakthrough Listen in the search for extraterrestrial intelligence
FIVE
The time in hours that a signal was detected in the direction of Proxima Centauri
2022
The year researchers devised a new message for potential aliens
THREE
telescopes activity searching for life: FAST, Arecibo and James Webb Space Telescope