太阳系最大的石块

2023年1月1日 The Largest Rock in our Solar System Image Credit: NASA, Voyager 1 spacecraft Explanation: There, that dot on the right, that’s the largest rock known in our Solar System. It is larger than every known asteroid, moon, and comet nucleus. It is larger than any other local rocky planet. This rock is so large its gravity makes it into a large bal...