Download How do refracting and reflecting telescopes work

How do refracting and reflecting telescopes work?
Complete the following paragraphs?
a) The Refracting Telescope
A refracting telescope works just like a _________ glass. It uses a
________ lens, to bend the light allowing the light rays to come
together at a ________ point. This focus point is where the _____
is formed. A _______ lens is then used to magnify the image.
There are two main problems of refracting telescopes; images are
not always _____ because the light is bent and the size of the lens
limits the _______ of the telescope.
Choose from;
image
convex
focus
power
concave
magnifying
clear
b) The Reflecting Telescope
Reflecting telescopes use ______ mirrors to focus the light. A large
______ mirror collects and reflects the light to make an image. The
image is ______ by the lens in the eyepiece. These telescopes are
very useful for viewing very dark or ____ objects. Large reflecting
telescopes can see objects that are a millionth or a billionth the
brightness of the ______ star the can be seen by the human eye!
Choose from;
magnified
concave
faintest
curved
dim