“是不是只有地球上有火山呢?”外福来问。“当然不是。火山活动是宇宙中的一种自然现象。宇航探测发现,月球、金星、火星、木卫一(木星的卫星)上均有火山活动。”爸爸说。下面我们就来了解一下:月球——曾经有火山活动现在月球虽然没有火山活动,但仍具有许多曾有火山活动的特征,诸如月海、月谷及拱丘等。金星——火山扮演重要角色金星的表面有90%是玄武岩,地表地形有80%为火山地形,这表示在金星表面形成的过程中,火山扮 Is not there a volcano on earth? Volcano activity is a natural phenomenon in the universe.Astronautics discovered volcanic activity on the moon, Venus, Mars, and Eustoma (Jupiter’s satellite), "said Papa. Here we come to understand: the moon - there was a volcanic activity Although the moon is now no volcanic activity, but there are still many characteristics of volcanic activity, such as the moon, Moon Valley and the dome and so on. Venus - the volcano plays an important role 90% of the surface of Venus is basalt, 80% of terrain is volcanic terrain, which means that in the process of the formation of Venus surface, volcano