How is pseudoscience different from science

I guess you can say pseudoscience is "fake science" in science.

Explanation:In conclusion, ancient astronomers think that aliens had made civilization on earth. The  key detail they are missing is that there was no evidence so this causes their claim to be pseudoscience. You may have a claim but can you back it up with evidence and reasoning or in other words can you show that your claim and evidence connect with a reasoning?

if you know your abc's you should be able to get your answer or just use google