keep on drawing, draw everything you can, draw every spare second you have! if you can pick up a book called "Drawing From Observation: an Introduction to Perceptual drawing" By Brian Curtis, itll improve your drawing just by reading it. Good luck and draw draw draw!
"Astronomy offers an aesthetic indulgence not duplicated in any other field. This is not an academic or hypothetical attraction and should require no apologies, for the beauty to be found in the skies has been universally appreciated for unrecorded centuries."