I was saddened to find out about the recent death, at the age of 92, of Frank Drake, one of the pioneers of SETI. One of the things he is most famous for is the equation bearing his name which estimates the number of intelligent civilisations in our galaxy, the Drake equation. As a tribute… Continue reading Frank Drake and the Drake equation
Tag: Drake Equation
Reasons for the Great Silence
In recent years there has been an increase in interest in SETI (the Search for Extra-Terrestrial Intelligence). SETI now has its own telescope, an array of 42 separate radio dishes known as the Allen Telescope Array. The Allen Telescope Array In 2016 the Breakthrough Listen programme started and is expected to run for ten… Continue reading Reasons for the Great Silence
An amazing discovery
For those who missed my post on 1 April 2016 here is a re-blog of the amazing discovery of the first intelligent alien life. ---Original post below News is just reaching us of the most amazing astronomical discovery which I am ever likely to experience in my lifetime, one which I never thought I would see. As regular… Continue reading An amazing discovery
The Rare Earth hypothesis
Ever since the pioneering work of Frank Drake (1930-) in 1960, astronomers have been looking for radio signals from extraterrestrial civilisations and have failed to find anything. This could be because Earth-like planets containing complex life forms (such as ourselves) are rare in the Universe and only a series of highly improbable events led to the… Continue reading The Rare Earth hypothesis
The zoo hypothesis
This post is about the zoo hypothesis, a term coined in 1973 by the astronomer John Ball, but the idea had been in existence for decades before then. The zoo hypothesis states that there are many advanced and intelligent alien civilisations out there, but they hide their existence from us so that they they do not interfere with our… Continue reading The zoo hypothesis
Explaining Science 