Union Home Minister Rajnath Singh misquoted the late astronomer Carl Sagan to claim that ancient Indians accurately dated the age of Earth “to 1.97 billion years”. “Carl Sagan was a well-known cosmologist,” Mr. Singh said in his Hindi address at the India International Science Fair (IISF). “He has said that the cosmological calculations of ancient Indians alone matched with modern scientific theory…It was written in ancient, religious Indian texts that Earth came into existence 1.97 Arab (100 crore) billion years ago. Sagan accepted this. These are the contributions of our country.” The age of Earth is 4.54 billion years and that of the Universe is 13 billion years. Sagan, in his iconic 1980 television series Cosmos , and book by the same name, did not say the Earth was 1.97 billion years old, or that ancient Indian astronomers had calculated the age of the Earth. He only said that Hinduism was the only one among the world’s religions in which time scales [of the age of the Universe]...