Even a modest pair of binoculars can show you many wonders invisible to the unaided eye.
Image credit: Gary Seronik/SkyNews Magazine.

Telescopes were a great invention for astronomy, but they are not necessary to study objects in space. If you have binoculars at home, there are numerous targets for you to look for.  Start with the Moon; you might be surprised how much you can see.  Craters, mountains, ancient lava flows and more!