Discovery made with the help of meterwave radio telescope
Chakraborty said that many types of radio signals emanate from a galaxy. Until now it was only possible to capture this particular signal from nearby galaxies, limiting our knowledge to galaxies close to Earth. In India and Montreal, researchers were able to capture these signals with the help of a giant meterwave radio telescope.
What is Gravitational Lensing?
The discovery has been announced in the Royal Astronomical Society Journal. This signal was observed at record-breaking distances thanks to a natural phenomenon known as gravitational lensing. Co-author Nirupam Roy said that gravitational lensing magnifies the signal coming from a very distant source to give us a peek into the early universe.
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