‘Invisible’ planet discovered

‘Invisible’ planet discovered Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - ESA´s Herschel infrared space observatory has discovered that galaxies do not need to collide with each other to drive vigorous star birth. See article.
g Abodes - Astronomers have discovered an “invisible” planet by monitoring it's influence on a second planet that we can actually see. The finding demonstrates a method for finding planets that are undetectable by other methods. See article.
g Aftermath - In the last quarter of the 20th century, an international social movement — Communication with Extraterrestrial Intelligence — has emerged which advocates an attempt to achieve communication with extraterrestrial intelligence, and many of its most active members have been leading scientists. Modest efforts to detect radio signals from intelligent extraterrestrials already have been made, both under government aegis and privately funded, and the technical means for a more vigorous search have been developed. If a CETI project were successful, linguists would suddenly have one or more utterly alien languages to study, and some consideration of linguistic issues is a necessary preparation for it. See article.

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