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Who was the Belgian priest who discovered the universe is expanding? Georges Lemaître was an astronomer and professor of physics who is thought to be the first to have theorised that the universe is expanding.  His theory was observationally confirmed soon afterwards by Edwin Hubble in what is now known as Hubble’s Law.  Lemaître is also credited with proposing what has now become known as the Big Bang theory – which says that the observable universe began with an explosion of a single particle.  Georges Henri Joseph Édouard Lemaître, RAS Associate was a Belgian Catholic Priest, astronomer and professor of physics at the Catholic University of Leuven. On Tuesday, Google celebrated the 124th birth anniversary of Belgian astronomer Georges Lemaitre with a doodle. Lemaitre is credited with what is popularly known as the Big Bang Theory, which says that the universe originated from a single atom, which he referred to as the Cosmic Egg. He is also believed to be the first to h

Google Doodle remembers Hubert Cecil Booth, inventor of the vacuum cleaner. The idea of a hygenic way to clean dust occurred to Booth while attending a demonstration of American machines in London. He observed that cleaning machines blew or brushed dirt away, making it a messy affair overall. Booth thought of designing a machine that would suck up dust instead. Vacuum cleaners modelled on Booth's design were made commercially available for the first time in 1901. Booth later went on to become the chairman and managing director of the British Vacuum Cleaner and Engineering Co. In Video: Hubert Cecil Booth: Google honours the man who invented first vacuum cleaner Get latest news & live updates on the go on your pc with News App. Download The Times of India news app for your device. Read more India news in English and other languages. You also like to read