At night, as long as the sky is clear, you can see the stars in the sky.
Since ancient times, people have dreamed of one day roaming the stars. This dream has lasted for thousands of years and has never stopped. Until today in the 21st century, astronauts have only landed on the moon. The end of the universe is still a mystery.
How many galaxies are there in the universe? How big is the universe? Does the universe have an edge? What is outside the universe?
There are galaxies outside the galaxies, and there are universes outside the universe.
This book uses a story to unravel the mystery of the universe and open your closed mind.