Matt Gonzales view of an astronomer

What I think an Astronomer does:
Using his mathematical and physical knowledge of the universe, he first makes calculations on paper to hypothesize where he thinks a galxay or a star or any clestial object might be. After careful calculations, he uses any number of ground based or spaced based telescopes (depending on what he wants to find) to look at the region of space and see if his calculations were correct.
I think, without prior research of "what an astronomer does", an astronomer looks for earth like planets that can be inhabitable with life. The probability of finding life on another planet in the universe is 100%. I think I read that somewhere. We live on a planet and compared to the planet we are small. Earth, compared to our Milky Way galaxy, is just a spec of dust. The Milky Way galaxy contains millions of planets larger and smaller than earth that all look like specs of dust. Our galaxy is just one of billions of galaxies in the universe all of which have their own "spec of dust" or "Earth". So the chance of an astronomer finding life on a differnt planet has to be 100%. The astronomer might say to himself: " all I have to do is just look at one galaxy and find an earth like planet in it" however, he cannot find it because he is limited in observation because of the technology we have today. The technology, although is very advanced, is not yet advanced enough to look inside a galaxy that is light years away from us. So the job of an astronomer might be to come up with newer technology or advanced telescopes or different equipment in order to provide detailed images inside galaxies.
Although astronomers do not all have the same research subject and have their own objective, they all  look into space.
So besides the above, what I think an astronomer does is look into space.