India's first dedicated multi-wavelength space observatory 'AstroSat' detected an extreme ultraviolet light from a galaxy 9.3 billion light-years away from Earth, Inter-University Centre for Astronomy and Astrophysics (IUCAA) said on Monday. The discovery was made by an international team of astronomers led by IUCAA's Dr Kanak Saha. The observations lasted for over 28 hours in October 2016.