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NASA’s real-time portal for Mars exploration, featuring the latest news, images, and discoveries from the Red Planet.
Mars is still the most Earth-like of the planets. The Martian environment may be inhospitable, but it is far more welcominging than the searing surface of Venus.
A view of the surface of Mars shows an unusual feature — a seemingly square crater bounded on three sides. Please see the explanation for more detailed information.
在五行中属火，故曰火星。 英文将罗马神话中战神马尔斯（Mars）的名字赋予火星。 3. 行星物理特征 火星直径约为地球的一半、月球的两倍，质量约为地球的九分之一、月球的九倍，表面 …
4 ngày trước · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.
31 thg 8, 2025 · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. …
15 thg 7, 2025 · Loading Introduction Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to roam the alien landscape. NASA missions …
In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) …
火星（英语：Mars；拉丁语：Martis；天文符号：♂），是距离太阳第四近的行星，也是太阳系中仅次于水星的第二小的行星，为太阳系里四颗类地行星之一。
6 ngày trước · 火星的大小 火星的直径为6,792公里；这颗行星绕赤道的周长为21,326公里。因此，如果你以每小时约100公里的速度移动，则绕火星赤道旅行大约需要9天时间。 火星地球比 …
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