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Mars.
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Which planet thought to have liquid water in the past?
Mars. It has been explored by several unmanned land rovers in recent times. Evidence collected from these rovers has helped to build up a picture of Mars' past, revealing that Mars once had liquid water on its surface.
Can water exist on a planet with no atmosphere?
Atmospheric pressure is an important factor in keeping liquid water on the surface of a planet. With no atmosphere, liquid water would quickly escape into space. It would depend on various factors such as the temperature and escape velocity of the planet of course. Scientists think liquid water existed on Mars in the past when the atmosphere was a lot denser. Water does exist on the surface Mars, but only as ice.
Which planets have water?
The only planet known to have liquid surface water is Earth, but probably all planets have at least some water. Water is made of two of the three most common elements in the universe, so it's not an exotic compound. Mars has frozen water in its polar caps (and may have had liquid surface water at one time). A number of moons orbiting Jupiter and Saturn have frozen water on their surface and possibly liquid water below that.
What are three discoveries made by spacecraft that have been sent to study mars?
1. Mars does not have liquid water on its surface 2. Mars does not have intelligent, complex life 3. Mars did have liquid water on its surface at some time in the past
Which inner planet once had water on it?
The Rover mission confirmed that Mars once had liquid water on its surface.
What planet Thought To Have Had Liquid Water Is The Past?
Mars
What planet thought to have liquid in its past?
mars
Which planet was thought to have liquid water in the past?
Mars. It has features that look like dried-up river beds, etc.
What planet was thought to have water on it in the past?
Mars
Which planet thought to have liquid water in the past?
Mars. It has been explored by several unmanned land rovers in recent times. Evidence collected from these rovers has helped to build up a picture of Mars' past, revealing that Mars once had liquid water on its surface.
What planet is thought to have had liquid water in the past?
it's widely believed that Mars once had liquid water on its surface. The polar regions have been confirmed as ice, and there are 'tracks' on the surface of Mars. These tracks appear to indicate that something (ie large boulders) has moved across the surface, leaving a 'trail' behind them.
Can water exist on a planet with no atmosphere?
Atmospheric pressure is an important factor in keeping liquid water on the surface of a planet. With no atmosphere, liquid water would quickly escape into space. It would depend on various factors such as the temperature and escape velocity of the planet of course. Scientists think liquid water existed on Mars in the past when the atmosphere was a lot denser. Water does exist on the surface Mars, but only as ice.
What planet is thaught to have liquid water nin the past?
I believe you mean Mars (under current exploration) ... but several satellites are known to have water too.
Where might water exist as liquid on Mars?
There is no liquid water now on Mars. There may have been, in the past. Also, there is ice on Mars.
Why earth is the only habitable planet?
earth is the only known habitable place because its the only one with water, food, and has the right temperature range for life as we know it, but scientists are discovering planets a lot like earth, but none are habitable for humans
Is there a homophone for rung?
Wrung - past tense of wring (to squeeze liquid, particularly water, out).
Does Neptune have water in the present and past?
It seems to have some ice water (as well as ice ammonia), but liquid water is a physical impossibility.
