The first thing an alien race is likely to hear from Earth is chirps and whistles, a bit like R2-D2, the robot from Star Wars.
In reality, they are the sounds that accompany the aurora. Now ESA's Cluster mission is showing scientists how to understand this emission and, in the future, search for alien worlds by listening for their sounds.
cluster missionCluster Satellites Listen To The Sounds Of EarthScienceDaily Sun, 06/29/2008 - 02:00
Cluster listens to the sounds of EarthEurekAlert! - Chemistry, Physics and Materials Sciences Thu, 06/26/2008 - 22:00
(European Space Agency) The first thing an alien race is likely to hear from Earth is chirps and whistles, a bit like R2-D2, the robot from Star Wars. |
