Space is so vast and holds many mysteries and the hidden knowledge we are yet to discover. Since the old times people were intrigued by universe and all the worlds within. Space exploration allows us to learn about other planets and life forms and to use this knowledge to our advantage and progress of the humankind. Here are several amazing quotes about space exploration.
21 Amazing Quotes on Space Exploration
In the case of the space civilization attack, we have to be ready to survive by going to other worlds.