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Earth is the only planet known to have a significant hydrosphere, consisting of water bodies like oceans, rivers, lakes, and glaciers. Some moons in the outer solar system, such as Europa and Enceladus, have subsurface oceans beneath icy crusts.
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Earth has a unique atmosphere that supports life, with a mix of gases suitable for living organisms. The presence of vast oceans of liquid water is also a distinguishing feature of Earth compared to other planets in our solar system. Additionally, Earth has a diverse and complex ecosystem with a wide variety of plant and animal species.
The least massive of the 8 major planets is Mercury. However, Saturn, with its large, deep atmosphere, is the least dense of the planets, and would actually float in water (given a really big container of water).
The four planets in our Solar System are:MercuryVenusEarthMarsIf you want to know the rest of the planets here they are but they are not in our Solar System, after mars is:JupiterSaturnUranusNeptunePluto comes after Neptune but Pluto isn't known as a planet, it is known as a rock because all it is made out of is rock and is so tiny!Thank you for reading :D x
Eath is the only one known, and most likely the only one, at least in our own solar system
In the inner solar system, the planets are rocky and it is possible to have water as a vapor or a liquid on the surface. In the outer solar system the planets are gas giants and water can only exist as ice.
There is only one planet known to have significant bodies of liquid water that cover a large portion of its surface, and that is Earth. Other planets in our solar system, like Mars and Europa, have evidence of liquid water in the past or under their surface, but not as extensive as Earth's oceans.
Although there are speculations of ice caps on several moons and planets outside of the solar system, the only confirmed planets within our solar system to possess them are Earth and Mars.
Earth and mars. Mars' water can only be a gas and a solid.
Glad you ask,The answer is the milkyway infact the milkyway is our solar system we are in!Thanks for asking!
Assuming the Oceans are of liquid water, the only provable place where they are found is Earth.
Earth is the only planet known to have a significant hydrosphere, consisting of water bodies like oceans, rivers, lakes, and glaciers. Some moons in the outer solar system, such as Europa and Enceladus, have subsurface oceans beneath icy crusts.
Well, in my solar system liquid isn't really that rare. The second planet in my solar system has an almost entirely liquid crust, and a liquid mantle. The third planet orbiting the star in my solar system has a surface over 75% covered in liquid, and has a liquid mantle. The sixth and seventh planets in my solar system both have large hydrogen oceans. Several of the moons orbiting the sixth and seventh planets in my solar system also have liquids. I don't see why liquid could be called rare in my solar system. What about yours?
Sure There are planets in our solar system that have 100% liquid surfaces, why not water.
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It's the only planet that has water.