diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/04.new-course-parallel-1/default.en.md index 7d736aa1b..668ed1482 100644 --- a/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/04.new-course-parallel-1/default.en.md +++ b/01.curriculum/01.physics-chemistry-biology/03.Niv3/02.Geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/04.new-course-parallel-1/default.en.md @@ -4,17 +4,21 @@ published : true visible : true --- -!!!! *DIFFICULT POINT* : What is a virtual object? What is the difference of the -image focal plane of a simple optical component part of an optical instrument, and the image focal plane +!!!! *DIFFICULT POINT* :
+What is a virtual object?
+What is the difference between the image focal plane of a simple optical component part of an optical instrument, and the image focal plane of the instrument itself? !!!! !!!! ![](optics-object-image-BEYOND-pilot-v2.mp4) !!!! !!!! -!!!! I choose it +!!!! I test my understanding !!!! !!!! -!!!! PILOT is a telescope +!!!! PILOT es un telescopio incrustado en un globo estratosférico, estacionado a una altitud de 40 km sobre la atmósfera, +para observar la luz emitida por nuestra galaxia en un rango de longitud de onda (infrarrojo lejano) que no alcanza al suelo. +El telescopio es un instrumento óptico que comienza con un gran espejo primario que mira al cielo, hasta detectores +de imágenes que convierten la luz recibida por cada uno de sus píxeles en una señal eléctrica. ! !