Two books that changed the science of astronomy and the world were __ by nicholas copernicus and__ by isaac newton

For Copernicus, I think it was On the Revolution of the Celestial Spheres. I think For Newton it was Philosophiæ Naturalis Principia Mathematica.

2 is armenia i think

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!