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by 何香春

ebook

神秘的陨石是星星爆炸遗留物吗？天上为什么会有好几个太阳？银河系中有栖息生物的行星吗？海王星上有火山吗？这些隐藏在浩瀚宇宙中的天体之谜吸引着人们不断的去追寻和探索。本书是我们广大读者增长知识、开阔视野、激发探索和启迪智慧的良好科普读物，也是各级图书馆珍藏的最佳版本。