Final answer:
Astronomy is the subject of the question. It is the study of the universe beyond the borders of our planet. It involves understanding how stars form, how long they live, and how they die.
Step-by-step explanation:
Astronomy is the subject of the question. It is the study of the universe beyond the borders of our planet. It involves understanding how stars form, how long they live, and how they die. Astronomy is an exciting and rapidly changing branch of science that requires decoding the messages contained in the light and radiation that reaches Earth.