Are we the only creature in this universe? Do we have any neighbors anywhere else in the world?
People have been asking such questions for hundreds of years. Scientists have studied science, conventional stories, fiction, various ideas and bizarre theories.

Galileo and its telescope
It is said that when Galileia invented its more powerful telescope at the beginning of the seventeenth century, since then, the curiosity of what is in the sky increases a lot. In the eyes, the eyes of Telescope became more surprising than seeing the stars in the eyes.

The black tissues on the moon were seen as marine water. Like the sea in the sea, are there any different types of animals? Such questions arose. In Latin, 'maria' means sea. The sea of ​​the moon was called 'Lunar Maria'. Scientists now know that the black tint seen on the moon is actually a volcanic rock.