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Map of the hotspots on Earth. Arago is #59 The Argo hotspot is a component of the South Pacific Ocean Hotspot highway [1]. Arago hotspot (also known as the Rurutu hotspot, Young Rurutu hotspot or Atiu hotspot) is a hotspot in the Pacific Ocean, presently located below the Arago seamount close to the island of Rurutu, French Polynesia.
An Arago spot of electrons, which also constitute matter waves, can be observed in transmission electron microscopes when examining circular structures of a certain size. The observation of an Arago spot with large molecules, thus proving their wave-nature, is a topic of current research.
The light diffracted around the edge of a perfectly circular occluder interferes constructively at the central axis, producing a bright spot known as the Arago spot.The resolution at that point would be equal to the resolution of a conventional lens with the same size as the occluder, although the light would be much less intense. [1]
Created Date: 8/30/2012 4:52:52 PM
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The name Lunette Arago (Arago refractor) is a modern name for the telescope, and other large refractor of Paris observatory, is the one at Meudon. [3] It has gone by a variety of names having to do with various aspects of the telescope, such as its aperture, or location on the East tower of the Paris observatory, or its equatorial mount made by ...
Pennsylvania’s Punxsutawney Phil might be the most well-known weather-predicting groundhog, but a new list casts doubt on his accuracy. It turns out Punxsutawney Phil is wrong more often than ...