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Jodrell Bank Searches For Extraterrestrial Civilisations

Last Updated on Sunday, 02 May 2010 12:01
Published on Sunday, 27 February 2005 00:00

 

Contacts for comments and further information:

 

Ian Morison, available from 09.30 a.m. Sunday 13th September, (This email address is being protected from spambots. You need JavaScript enabled to view it. ) or Alistair Gunn (This email address is being protected from spambots. You need JavaScript enabled to view it. )

 

Tel: + 44 (0)1477 571321 FAX: +44 (0)1477 571618 University of Manchester Nuffield Radio Astronomy Laboratories Macclesfield, Cheshire SK11 8QP.

 

Supporting material and images on: http://www.jb.man.ac.uk/research/seti

 

The University of Manchester's Lovell radio telescope at Jodrell Bank has begun to take part in the most sensitive and comprehensive search ever undertaken for radio communications signals from Extra- Terrestrial Civilisations beyond our Solar System.

The collaborative research programme with the SETI Institute, called Project Phoenix, is using the 76-m Lovell telescope and the 305-m Arecibo telescope, located in Puerto Rico. The radio telescopes have begun to make observations of the regions around several hundred Sun-like stars that lie within a distance of 200 light years.

Ian Morison, who is co-ordinating the Jodrell Bank observations, explained that, "Astronomers expect that other civilisations are most likely to be found on planets in orbit around stars similar to our Sun. Such stars live long enough and provide enough heat to allow life a chance to evolve."

Jodrell Bank is a world leader in the development of advanced radio receivers which when used with the Lovell telescope, the second largest fully-steerable radio telescope in the world, make it exceptionally sensitive to faint radio signals. Jill Tarter, Director of the SETI Institute, points out that "by using the Arecibo and Lovell telescopes in the search we will have the most sensitive system possible."

The privately-funded SETI Institute, in California, has continued the development of a NASA multi-million channel receiver which is capable of efficiently searching a wide band of frequencies where extra- terrestrial signals might be found. The receiver is located at the Arecibo telescope and will be used to make the initial detection of signals having the appropriate characteristics. The Lovell telescope will then be immediately used to eliminate earth-based interference or confirm any suspected extra-terrestrial signal. Previous searches for Life in the Universe have always been plagued with the problem of discriminating between a "true" extra-terrestrial signal and those originating on Earth or from artificial satellites. As Ian Morison explains: "local signals are eliminated by making simultaneous observations with the two radio telescopes. Due to their transatlantic separation, a signal has to come from a very great distance, from at least the outer part of our solar system, for the computer-based detection systems to be triggered at both telescopes. Fortunately, we can make a regular check on the system by receiving the signal from the Pioneer 10 spacecraft, now far beyond the orbit of Pluto."

The search is being undertaken during two three-week observing sessions each year and will continue for several years. As Professor Andrew Lyne, Director of Jodrell Bank, said "If an extra-terrestrial signal were detected, it would be one of the most dramatic discoveries ever made. We are glad that we can make a contribution to this exciting scientific quest."

 


The support material under http://www.jb.man.ac.uk/research/seti gives background to:

 

1. The history of SETI and The SETI Institute 2. Project Phoenix - of which these observations are a part. 3. SETI Questions - Answers to often asked questions given by Jill Tarter and Ian Morison. 4. The Drake Equation - a look at the probability of contacting other civilisations.

 

THE ABOVE PRESS NOTICE HAS BEEN RECEIVED FROM THE UNIVERSITY OF MANCHESTER AND IS FORWARDED FOR YOUR
INFORMATION.

 - JACQUELINE MITTON, ROYAL ASTRONOMICAL SOCIETY. 

UNIVERSITY of MANCHESTER
Nuffield Radio Astronomy Laboratories

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