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Light and gravity

When Sir Isaac Newton devised his Law of universal Gravitation, he also suggested that light was subjected to the pull of Gravity. On Earth, light always travels in a straight line, unless it hits an object. But light does bend as it passes close to bodies with very strong gravitational fields, such as very massive stars. This shows that the things we take for granted on Earth do not necessarily apply when super strong gravity is at work.



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Light and gravity

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