World's largest radio telescope
- Posted By
Science & Technology
31st Dec, 2020
- The world’s largest radio telescope, the Five-hundred-metre Aperture Spherical Telescope or FAST has been installed in Pingtang in China's Guizhou province.
What is the FAST Telescope?
- Work on FAST began in 2011 and it started full operations in January 2020.
- It is about to open its doors for foreign astronomers.
- It cost 1.1 billion yuan to build.
- FAST boasts of a 500-metre giant satellite dish, the size of which can cover the area of 30 football pitches.
- This is also the world's largest.
- FAST is surrounded by a five-kilometre “radio silence” zone where mobile phones and computers are not allowed.
- FAST mainly captures radio signals emitted by celestial bodies. In particular, pulsars which are rapidly rotating dead stars.
- It has a novel design, using an active surface made of metal panels that can be automatically tilted to help change the focus to different areas of the sky.
- The data collected should help understand of the origins of the universe.
- It could also aid in the search for alien life.