Sentences with phrase «have liquid water oceans»

A microbe found on Earth has been shown to survive happily in conditions known to exist on Enceladus, which has a liquid water ocean beneath its icy crust.
So, in short, we know Enceladus has a liquid water ocean.

Not exact matches

When hydrogen and oxygen combine in a planet's atmosphere, they can ignite into a ball of fire and then leave behind liquid water oceans that would be good for life
Because Charon's modern - day surface is mostly water ice, it makes sense that the 1212 - km - diameter moon once had a subsurface ocean kept liquid by heat from the radioactive decay of elements in its core, as well as by the heat generated from collisions of smaller bits when the moon first accumulated.
Studies of hydrogen molecules in the Venusian atmosphere by NASA's Pioneer - Venus probe indicate that the planet once had liquid water on its surface, perhaps even expansive oceans.
That size means gravity has pulled Ceres into a sphere, with a core of rock, an icy coating and perhaps an ocean of liquid water locked between.
In the 1990s the Galileo space probe collected convincing evidence that Jupiter's large moon Europa has a global ocean of liquid water beneath its frozen surface.
For life as we know it to develop on other planets, those planets would need liquid water, or oceans.
Enceladus, Europa, Ganymede, Titan, Triton, Pluto, Eris... they may all have, or have had, large oceans of liquid water trapped beneath a frozen crust.
But a few billion years ago a slightly fainter sun might have allowed for a relatively cool Venus, one where liquid water could have pooled in vast oceans that were friendly to life.
Astronomers know very little for certain about Ceres, but based on indirect evidence, they speculate that it is a world of clay and ice, and possibly even has a subsurface ocean of liquid water, preserved from the very creation of the solar system.
Schimdt has found evidence that warm ocean currents and convective forces beneath Europa's frozen shell can cause large blocks of ice to overturn and melt, bringing vast pockets of water, sometimes holding as much liquid as all of the Great Lakes combined, to within several kilometers of the moon's icy surface.
We think it has a thick liquid water ocean which is thousands of time more voluminous than any water on Enceladus.
Contrary to the toxic hellscape that is present - day Venus, the planet might have had temperate, Earth - like temperatures and liquid water oceans 3 billion years ago, Gizmodo reports.
Along one string of sites, or «stations,» that stretches from Antarctica to the southern Indian Ocean, researchers have tracked the conditions of AABW — a layer of profoundly cold water less than 0 °C (it stays liquid because of its salt content, or salinity) that moves through the abyssal ocean, mixing with warmer waters as it circulates around the globe in the Southern Ocean and northward into all three of the major ocean baOcean, researchers have tracked the conditions of AABW — a layer of profoundly cold water less than 0 °C (it stays liquid because of its salt content, or salinity) that moves through the abyssal ocean, mixing with warmer waters as it circulates around the globe in the Southern Ocean and northward into all three of the major ocean baocean, mixing with warmer waters as it circulates around the globe in the Southern Ocean and northward into all three of the major ocean baOcean and northward into all three of the major ocean baocean basins.
The prime target of NASA's orbiter is Jupiter's moon Europa, which is thought to have an ocean of liquid water beneath its icy shell.
Venus may have had a shallow liquid - water ocean and habitable surface temperatures for up to 2 billion years of its early history, according to computer modeling of the planet's ancient climate by scientists at NASA's Goddard Institute for Space Studies (GISS) in New York.
The moon's south pole has strange, warm fractures, and plumes of liquid water from a subsurface ocean many believed was impossible in such a small, cold world.
Europa's ocean, with perhaps twice the water of Earth's oceans, is believed to have been liquid since the moon's formation.
Europa, with its underground ocean of liquid water, has risen to one of the top slots on the list of places to search for potential extraterrestrial life.
Christophe Sotin of the University of Nantes in France and his colleagues have argued that Titan might sustain an underground ocean of liquid water.
Mission scientists have determined that this stuff is coming from a huge ocean of liquid water beneath the satellite's shell — and that this ocean may be capable of supporting life as we know it.
Drabek - Maunder says: «Recent discoveries that icy moons in our outer Solar System could host oceans of liquid water and ingredients for life have sparked exciting possibilities for their habitability.
«If so, this planet could have the right temperature to support liquid water oceans
Nothing like it has been seen before beyond our own planet: large tides have been found on Saturn's moon Titan that point to a liquid ocean — most likely water — swirling around below the surface.
To go to Enceladus, she added, any lander would need to be very clean as liquid water is in contact with the moon's icy surface, so contamination of the subsurface ocean would be a very real possibility.
Europa has long been a high priority for exploration because it holds a salty liquid water ocean beneath its icy crust.
What Rhoden's team observed in their study was that during this process, several models predict that Charon's orbit around Pluto could have been highly eccentric, which would have caused severe tides on both celestial bodies, possibly leading to the formation of underground oceans of liquid water, similar to those that probably exist inside Europa.
If such findings were indeed to be uncovered on Charon, they would provide strong evidence for the existence of past liquid water oceans on the interior of the faraway frigid moon.
KAMUELA, Hawaii — With data collected from the mighty W. M. Keck Observatory, California Institute of Technology (Caltech) astronomer Mike Brown — known as the Pluto killer for discovering a Kuiper - belt object that led to the demotion of Pluto from planetary status — and Kevin Hand from the Jet Propulsion Laboratory (JPL) have found the strongest evidence yet that salty water from the vast liquid ocean beneath Europa's frozen exterior actually makes its way to the surface.
These lakes, that would be located deep in Europa's icy crust, could be communicating with the liquid water ocean below, while providing it with chemical elements from the surface that would be a valuable energy source to any potential life forms.
Many scientists believe Europa could be a good place to look for extraterrestrial life because it has an ocean of liquid water beneath its icy surface.
The team would like to develop and use even more accurate models of tidal heating and TNO interiors to determine how long tidal heating can extend the lifetime of a liquid water ocean and how the orbit of a moon evolves as tidal heating dissipates energy.
«We found that tidal heating can be a tipping point that may have preserved oceans of liquid water beneath the surface of large TNOs like Pluto and Eris to the present day,» said Wade Henning of NASA Goddard and the University of Maryland, College Park, a co-author of the study.
A long line of evidence has shown that Europa has an underground ocean of liquid water, which for many scientists constitutes the best place in the Solar System to search for alien life.
With the help of missions that have gone before Curiosity, we know that Mars was once a wet world with liquid water oceans that tell the story of an ancient Mars that was much warmer than it is today.
The team would also like to discover at what point a liquid water ocean forms; whether it forms almost immediately or if it requires a significant buildup of heat first.
Gliese 581 d orbits within its host star's habitable zone and so may have liquid surface water in a deep global ocean, as a «water world» (more).
NASA scientists announced in 2015 that a liquid ocean had once covered nearly one - fifth of the Red Planet's northern hemisphere — meaning it contained more water than the Earth's own Arctic Oocean had once covered nearly one - fifth of the Red Planet's northern hemisphere — meaning it contained more water than the Earth's own Arctic OceanOcean.
Whether you're swimming in the ocean or drinking salt water as part of a fad diet, swallowing too much of the liquid can have serious health consequences.
Henry's law doesn't really work well for complex carbonate equilibria and big volumes of liquid water, but even as an approximation, let's assume that if we have 38,000 Gt of dissolved inorganic carbon, DIC, (CO2 + HCO3 + CO3) in the oceans, and the preindustrial CO2 in the atmosphere is about 2,200 gigatons (300 ppm), that's a ratio of about 0.06 (atm / ocean).
As atmosphere is warmed by the warmed surface, more water would become a gas and ocean ice would become liquid.
Venus may have had a shallow liquid - water ocean and habitable surface temperatures for up to 2 billion years of its early history.
One calorie (~ 4 Joules) will raise the temperature of 1 gram of water by 1 degree C. Virtually all of the ocean is liquid so only a moron would try to make the point you did.
The biggest change would have to be the fact that the sun was about 75 % as bright as presently 3.8 billion years ago, a forcing of a whopping 85 W / m ^ 2 (compared to a forcing going from CO2 going from 280 to 560 ppm of about 3.7 W / m ^ 2 this is a really huge forcing) and yet there is abundant evidence that the Earth had a stable ocean and liquid water as early as 3.9 billion years ago.
The atmosphere inhibits the loss of heat in the hours of darkness, toss in a liquid water ocean and you have a heat bank, throw in the latent heat from ice to water to vapour and mixed with the circulatory atmosphere you have.
An Earth which only the gets visible light part of the spectrum would probably be warmer than Europa which only has interior ocean of liquid water due tidal heat from it's orbit with Jupiter.
Recently, rising temperatures have caused much of the frozen water on the planet's glaciers to melt and join the ocean as liquid.
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