![]() Yet the effort to “weigh light” by measuring the gravitational deflection of starlight during the May 29, 1919, solar eclipse has become clouded by myth and skepticism. Today, Einstein’s theory is scientific fact. The result ushered in a new era and made Einstein a global celebrity by confirming his dramatic prediction that the path of light rays would be bent by gravity. ![]() In Bengaluru, it will be at 12.17 pm, but it will occur a bit earlier in Chennai and a bit later in Mangaluru,” Jawaharlal Nehru Planetarium director Pramod Galgali said.In 1919, British scientists led extraordinary expeditions to Brazil and Africa to test Albert Einstein’s revolutionary new theory of general relativity in what became the century’s most celebrated scientific experiment. The zero shadow occurs in the three cities on the same day, but at different times. Similarly, Bengaluru, Chennai and Mangaluru are on the same latitude. If we measure the shadow length at the same longitude but at a different latitude we will get the calculations right.įor example, if we measure the shadow length at Bhopal and calculate it by the distance between Bengaluru and the Madhya Pradesh capital, we can measure the circumference of the earth. For example, it occurs on April 24 in Bengaluru, but on some other day in Tumakuru. “The zero shadow day occurs at different places at different times. At 12.17 pm on Sunday, vertical objects in Bengaluru will cast no shadows due to zero shadow dayįolks, brace yourselves to go shadow-less on Sunday afternoon, more precisely at 12.17 pm.
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