Slide 1Huib Jan van Langevelde Joint Institute for VLBI in Europe, Dwingeloo NL radio-astronomy a telescope larger than Europe radio-astronomy a telescope larger than Europe…
1. 2. Telescopes and Astronomical Instruments The 2 main points of telescopes are To make images with as much angular information as possible To gather as much light as…
Slide 1 Question 1 Modern telescopes use mirrors rather than lenses for all of these reasons EXCEPT 1) Light passing through lenses can be absorbed or scattered. 2) Large…