Purchase Solution

Telescopes and radio telescopes

Not what you're looking for?

Ask Custom Question

1. Why are radio telescopes larger than optical telescopes ?

2. Why do optical astronomers put their telescopes on the tops of high mountains, while radio astronomers put their telescopes in deep valleys.

3. a)What is the purpose of the telescopic eyepiece ?
b) What aspect of the eyepiece determines the magnification of the telescope?
c) In what circumstances would the eyepiece not be used ?

Thank you

Purchase this Solution

Solution Summary

Solution deals with some general questions regarding telescopes (specifically eyepieces) and a bit more detail regarding radio telescopes. Includes external reference links

Solution Preview

1. Radio wave spectra are longer and thus carry less energy per unit time. So a larger dish is a "collector" of this faint energy.

http://www.nrao.edu/index.php/learn/radioastronomy/radiotelescopes

2) Optical instruments are placed on high to get above atmospheric interference as much as possible. (Twinkle, twinkle is NOT what an astronomer wants) and air itself, dust, water vapor and city lights all add elements that foul up the "seeing" So higher is drier, less air between ...

Purchase this Solution


Free BrainMass Quizzes
Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

The Moon

Test your knowledge of moon phases and movement.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Basic Physics

This quiz will test your knowledge about basic Physics.