A refractor telescope is ideal for both astronomy and terrestrial viewing. Refractors are awesome because they stay in shape more easily and therefore are less cumbersome and require less careful handling.

What is a disadvantage of a refractor telescope?

The disadvantages are mainly to do with the hassle of operating in space, It is much more expensive, so, you can't have such a large telescope, If things go wrong, It is much harder to repair them, You can't update the instruments, So, they quickly become out of date, Also with the modern technique of Adaptive Optics, ...

Which is better reflector or refractor telescope?

If you are interested in astrophotography, purchasing a refractor is a better option because of it's specialized optic design that captures deep space objects like galaxies and nebulae. If you are interested in brighter celestial objects like the Moon or planets or a beginner, a reflector telescope is ideal.