Liquid Planet. Another picture from the Liquid Vision Series, which shows a different point of view of waves. An Angle that people are not used to seeing. (Photo and caption by Freddy Cerdeira).

流动的星球。这是流动影相系列照片中的一幅。流动影相系列照片使人们能从另一个不曾见过的角度观察海浪。

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These lines follow underwater mountains, where hot liquid rock flows up from deep inside the planet.

VOA: special.2010.01.12

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选

The reason why that's exciting, is one of the properties we'd like to have on a habitable planet is liquid water on the surface.

BBC: Tiniest extrasolar planet found

However there has long been a quest for "smoking gun" evidence for liquid water currently on the planet.

CNN: Life on Mars?

If the planet does harbor liquid water today, it would have to be deep below the surface, perhaps peeking out in a few special places, but not likely to be seen by Curiosity, Squyres said.

CNN: Rover Curiosity near Mars landing