俄罗斯和美国的宇宙飞船还发现了一些迹象，表明火星古代的气候可能更湿润、更凉爽，甚至可能更适合生命生存。
Russian and American spacecraft also found hints that its ancient climate might have been wetter, cooler, and possibly even friendly to life.
通过宇宙飞船发回的数据（包括目前正在火星探测的飞行器在内），我们已经发现有证据可以表明，在火星形成初期，它的气候温和，有一段时间曾有河流流入汪洋大海的迹象。
The first question has aclear answer: Yes, we probably could. Spacecraft, including the ones nowexploring Mars, have found evidence that it was warm in its youth, with riversdraining into vast seas.
假如气候站测试的温度升高有问题，那么卫星和飞船测试的应该更可信。
If there are problems with the warming as measured by weather stations on land, there are also more reliable data from ships and satellites.
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