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is there water on neptune

And More…, Episode 691: Interview: Seth Shostak from the SETI Institute, Creative Commons Attribution 4.0 International License. For this reason, there is very little serious scientific speculation into the possibility of life in Neptune's superionic oceans. However, deep inside the mantle, something strange happens: the water is compressed into a theoretical state known as superionic water, which acts somewhat like a liquid, somewhat like a crystal and somewhat like a metal. And More…, Episode 697: Interview: Theoretical Physicist Dr. Peter Woit, Episode 696: Open Space 94: Is It Realistic to Declare a "Free Mars"? Join us at patreon.com/universetoday. And More…, Episode 695: Q&A 130: Does the Dark Forest Explain the Fermi Paradox? Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. https://www.youtube.com/channel/UCUHI67dh9jEO2rvK–MdCSg, Support us at: https://www.patreon.com/universetoday Twitch: https://twitch.tv/fcain ; July 2010. See no ads on this site, see our videos early, special bonus material, and much more. Water is either too cold or under too much pressure to act as it does on Earth. Instagram – https://instagram.com/universetoday, Team: Fraser Cain – @fcain / [email protected] But there might be a spot higher up, where temperatures are cooler (less than 800 K) and pressures more reasonable (less than 20 kbar) then vast oceans of liquid water could form. Although Neptune has a great deal of water compared to Mars or Venus, it occupies a much different place in the mechanics of the planet. The combination of Neptune's great mass, its tremendous distance from the sun and its lack of anything like a solid surface has some interesting consequences for water. ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 Most of the same elements present in the atmosphere -- hydrogen, methane, ammonia and water -- make up the mantle but existing at higher temperatures and pressures. Although the temperature of the core is even higher than that of the mantle, the pressure exerted on the water should force the water to act more like ice than liquid water, even though the pressure and temperature are far too high to allow the water to freeze. And More…, Episode 694: Interview: Fred Watson, Australia's Astronomer at Large, Episode 693: Open Space 92: Why I Hate Embargoed News Stories, and More…, Episode 692: Open Space 91: Any Updates on Venus? The clouds on Neptune aren't made of water, but ammonia and methane. Scientists theorize the core of Neptune to be about the mass of Earth and composed largely of rock and superionic water. More stories at: https://www.universetoday.com/ There’s very little water at the cloud tops, but the percentage of water increases as you descend towards the heavier core. Its surface temperature is a frigid 50-degrees above absolute zero, but temperatures increase as you descend down through the cloud tops because of residual heat from its formation. And More…, Episode 698: Open Space 95: Would SpaceX Have Survived without NASA? Planetary scientists have theorized that water could exist deep down in Neptune’s solid core, in an ionic state, where temperatures are thousands of degrees Kelvin. At the same time, water can only condense out of the atmosphere when the temperatures are cool enough. Life, as currently understood by scientists, would have a great deal of difficulty making use of any of the water forms on Neptune. read more. Best Answers. Although this coloration was later discovered to be an artifact of the methane in the outer atmosphere rather than water, Neptune possesses an atmosphere and mantle appropriately rich in water. Researchers Sloane J. Wiktorowicz and Andrew P. Ingersoll from the California Institute of Technology in Pasadena have done the calculations for Neptune in their new paper, Liquid Water Oceans in Ice Giants. Wallace Arthur is an evolutionary biologist and emeritus professor of Zoology at the National University of Ireland, Galway. But if the temperatures are cool enough at the right pressures, and there’s enough water in the atmosphere, it should condense out to form an ocean layer before the clouds begin. Then again, strange forces seem to be exerted by these planets. The gaseous atmosphere of Neptune occupies the outer third of the planet's radius.

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