Space art: The mysteries of the universe

I was told the space art is like one of the most popular artworks of all time! so, I did some art practice of all these 14 space pictures!
boy, people have always been fascinated bout the stars, wondering what else is "out there", and finding answers to one of life's biggest questions... why are we here? what is the purpose of our universe's existence? how big is it? what's inside a black hole? how does life begin on other worlds?

are we alone...?