Is there a second Earth?
Finding another planet suitable for human habitation is mankind's eternal desire. Through astronomical observations, scientists continue to explore the depths of the universe and search for Earth-like planets. Many potential candidates have been discovered, but whether they can be proven to have the conditions to support life still requires further research. This vast cosmic expedition not only challenges the limits of human technology, but also inspires us to explore the mysteries of the universe and reflect on our own existence. In the future, perhaps we can find another Earth and open a new chapter in human civilization.