With the boundless universe and vast starry sky, many people firmly believe that the earth may be the only cradle of life. However, with the continuous advancement of science, astronomers have discovered many planets similar to the Earth in the vast interstellar space. These discoveries have triggered scientists' speculation that life may exist on other planets. Although the existence of these planets is exciting, because they are extremely far away from us, it is currently impossible to directly explore and confirm whether there is life on them. This has always been the regret of many biologists.
