There are three main types of astronomicaltelescopes - and these are divided into subgroups. They all have their different advantages and disadvantages and they are used in different areas of astronomy.
... (967.1/mi²). There are 595 housing units at an average density of 1,640.9/km² (4,169.6/mi²). The racial makeup of the village is 98.55% White, 0.00% ...