介绍:
9.27 麦克风打卡金句：
Well, water. Many scientists consider it a crucial element in the search for life forms on other planets. For decades, scientists have studied Mars to see if it had or has the necessary building block for life. Now, some stunning new images, well, they could hold crucial clues.
Scientists are intrigued by the discovery of tens of thousands of gullies. Could they have been caused by flowing water? It could be acidic water. It could be briny water. It could be water carrying all kinds of sediment. It could be slushy. But, H2O is involved.
水，许多科学家都认为水是判断其他行星上是否有生命存在的关键要素。数十年以来，科学家不断研究火星，想知道火星上过去是否有过、现在是否依然具有生命存在的基础构成要素。现在一些令人惊讶的全新影像中，也许就有关键的线索。
科学家对火星地表上成千上万的小溪谷感到十分好奇和惊讶。有没有可能是流水冲刷而成的呢？可能是酸性水，也可能是盐水，也可能是含有各种沉淀物的水，也可能是冰雪融水。但是里面肯定含有水。
