thats a pretty good question but no there a diffrent galaxy's with physical creatures like aliens maybe we are not alone maybe we are maybe the big bang may  have pushed our planets away from where they used to be check are 51 see what happens maybe you will get an answer to your question

probably because your computer has a glitch/bug in it or its lagging ther is nothing wrong with it (except the bug/glitch or virus) if you have a virus bug or glitch call the computer owner