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...[[Thomas Young|Young]] and [[Augustin-Jean Fresnel|Fresnel]] who revived [[Christiaan Huygens|Huygens]]' wave theory of light. They replaced [[Newton]]'s light corpuscl ...of a [[wave front]], which twelve years later (in 1679) was borrowed by [[Christiaan Huygens]] (1629–1695), who greatly improved and extended the wave theory of l

In 1655, [[Christiaan Huygens]] became the first person to suggest that Saturn was surrounded by a ring.

...pe of the [[rings of Saturn]].<ref> {{cite web| title=Discoverer of Titan: Christiaan Huygens

...ved (but not understood) by [[Galileo Galilei]] in 1610. Dutch physicist [[Christiaan Huygens]] recognized it as a ring in 1655 and 20 years later [[Giovanni Domenico Ca

...ved (but not understood) by [[Galileo Galilei]] in 1610. Dutch physicist [[Christiaan Huygens]] recognized it as a ring in 1655 and 20 years later [[Giovanni Domenico Ca