Sending Messages to be picked up by alien civilisations is called METI (Messaging to Extraterrestial Intelligence) and is an activity which has taken place with increasing frequency over the past few decades. Advocates of METI argue that in addition to searching for extraterrestrial signals we can increase our chances of making contact with aliens by sending messages to stars which… Continue reading This is Earth Calling
Tag: Extraterrestrial life
Extraterrestrial life
SETI
As I discussed in my last post, the search for signs of extraterrestrial life has caught the interest of many people for a very long time, and the specific search for signals from other life forms has been a particular source of fascination over the last 50 years. In the 1997 movie Contact Jodie Foster's… Continue reading SETI
Is There Anyone Out There ?
As a child I was fascinated by the idea of people from Earth encountering alien lifeforms. I was an avid watcher of Star Trek and the British science fiction TV shows Dr Who and Blake's 7. I am not alone in my fascination - the idea of humans making contact with intelligent aliens from other planets has intrigued… Continue reading Is There Anyone Out There ?
How Would We Get to Enceladus ? (a brief overview)
Updated 10 December 2025 This post continues my previous two posts on Saturn's icy Moon Enceladus which many scientists now believe is the most likely place in the solar system, other than the Earth, to harbour life. and discusses how we might get there Image from NASA There are two possibilities . (a) the… Continue reading How Would We Get to Enceladus ? (a brief overview)
Enceladus what kind of life ?
As stated in my previous post NASA's Cassini probe has shown that Saturn's moon Enceladus not only has an thin atmosphere, but that volcanoes of water are erupting from its surface into space. Even more remarkable has been its discovery, that these volcanoes contain the raw chemicals which are the building blocks for life. Image from NASA The question which really… Continue reading Enceladus what kind of life ?
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