[Future] Redeem the Earth

The wanderers who set foot on the galaxy of the universe depend on each other and grow into strong men. The galaxy where Mother Earth is located has turned into an abandoned star field full of death. Their descendants opened the abandoned planet redemption information application form, but faced a problem-the vast galaxy, how to prove that one of the stars is our hometown? The interstellar survivors have a belief in their hearts, find their hometown and leave a coordinate record! They traced all the information backwards and finally touched the homeland they thought about day and night. Purpose: Go back to the past and look for traces of the earth