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Giant space telescope could detect hints ot life on exoplanets

RATE THIS! +34
Posted in Science on 2nd Jul, 2014 12:38 AM by AlexMuller

Advanced Technologies Large Aperture Space Telescope (ATLAST), a giant telescope in space 20 meters across that could give scientists a good chance of detecting hints of life on exoplanets (planets around other stars), has been proposed by U.S. and European scientists.

 
In a recent talk at the National Astronomy Meeting (NAM 2014), Prof. Martin Barstow of the University of Leicester and President of the Royal Astronomical Society called for governments and space agencies around the world to back the ambitious project.
 
The telescope would be capable of analyzing the light from planets the size of the Earth in orbit around other nearby stars, searching for features in their spectra such as molecular oxygen, ozone, water and methane that could suggest the presence of life. It might also be able to see how the surfaces of planets change with the seasons.
 
ATLAST would study star and galaxy formation at high resolution, constructing the history of star birth in detail and establishing how intergalactic matter was and is assembled into galaxies over billions of years.
 
If it goes ahead, ATLAST could be launched around 2030. Before this can happen, there are technical challenges to overcome, such as enhancing the sensitivities of detectors and increasing the efficiencies of the coatings on the mirror segments.
 
Such a large structure may also need to be assembled in space before deployment rather than launching on a single rocket. All of this means that a decision to construct the telescope needs to happen soon for it to go ahead.

Tags: spacetelescopeastronomyexoplanetplanet

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Comments

Author: Guest
Posted: 2014-07-02
+1
This is a big challenge! ATLAST would need some new technologies to make the parts, parts needs to be transported into space and then assembled there. I hope this is approved and funded properly because records - being able to analyse planets for life- supporting conditions- would be enormous advance
1 Replies
Author: Guest
Posted: 2014-07-02
+1
As they say in the article " The time is right for scientific and space agencies around the world, including those in the UK, to take a bold step forward and to commit to this project" Reply
Reply
Author: Guest
Posted: 2014-07-02
+1
Since antiquity human beings have wondered whether we really are alone in the universe or whether there are other oases of life. This question is one of the fundamental goals of modern science and ATLAST could finally allow us to answer it. Reply


 

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