Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
Interferometry

In astrophysics interferometry consists of observing a target simultaneously with several telescopes and subsequently combining the light beams received by each telescope by superposing them at a common focus. This ploy thereby produces an angular resolution similar to that of a giant telescope whose diameter would be equal to the separation between the individual telescopes.

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