Conversations With Einstein by Carlos Calle

Author:Carlos Calle [Calle, Carlos]
Language: eng
Format: epub
ISBN: 9781786783844
Publisher: Watkins Media
Published: 2020-04-14T04:00:00+00:00

Your sketch does help me to understand it. So the bending-of-light prediction was confirmed?

Yes, that prediction was confirmed by the British astronomical expedition of 1919. This measurement isn’t easy to make, since the curvature of space close to the gravitational field of the Earth is extremely small. But the Sun’s gravitational field causes a curvature that, in principle, could be measured. I’d calculated the small deviation of light rays from a star passing the Sun at a grazing angle. The star’s light could be seen during a solar eclipse and that’s why Arthur Eddington travelled to West Africa to measure it during the solar eclipse of 1919. He obtained exactly the amount I’d calculated.

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