Sentences with phrase «liquid water on»

We also know that a purely radiative response is not the way our climate reacts, mainly because of the presence of liquid water on the surface and its capacity to vaporize, and also because of instabilities that can lead to convective adjustments.

So if Mars had large amount of water, or it you to seal the water so it doesn't evaporate, it seems one could liquid water on Mars.

Scientists think that Venus used to be more similar to Earth, with lower temperatures and even liquid water on the surface of the planet.

One would get some water vapor in the atmosphere, but liquid water on the surface would be rare - probably more due to volcanic activity rather than sunlight warming surface.

We also marveled at many remarkable achievements, like the visit of NASA's New Horizons spacecraft to Pluto and the Mars Reconnaissance Orbiter's discovery of proof of liquid water on Mars.

For Matt Damon's character in the upcoming sci - fi film «The Martian» — an astronaut who gets stranded on Mars and must struggle to keep himself alive — Monday's announcement from NASA that it has found signs of liquid water on the planet comes a tad too late.

Four and a half billion years after its birth, the shrouded planet is much too hot to support the presence of liquid water on its surface because of its dense carbon dioxide atmosphere and sulfuric acid clouds, which retain too much radiative heat from the Sun through a runaway greenhouse effect.

Other factors also suggest Mars once had a much thicker atmosphere, such as evidence of persistent presence of liquid water on the planet's surface long ago even though the atmosphere is too scant for liquid water to persist on the surface now.

Accounting for the relatively greater infrared output of M - stars like Kapteyn's Star, the distance from Kapteyn's where an Earth - type planet would have liquid water on its surface is centered around only 0.158 AU — well within the orbital distance of Mercury in the Solar System.

SAN FRANCISCO, April 17, 2014 — San Francisco State University astronomer Stephen Kane and an international team of researchers have announced the discovery of a new rocky planet that could potentially have liquid water on its surface.

Whilst all the exoplanets discovered around the red dwarf, known as TRAPPIST - 1, are capable of hosting liquid water on their surfaces, three are in orbit in what is known as a star's habitable zone, making them an attractive prospect for scientists searching for life outside of our solar system.

The distance from EV Lac where an Earth - type planet would have liquid water on its surface is centered around 0.165 AU — well within the orbital distance of Mercury's orbital distance in the Solar System.

The average orbital distance of planet «b» from this star is 0.080 AU and so it could have liquid water on its surface, although it moves arount its host star well within the orbital distance of Mercury in the Solar System.

Clues on the Martian surface, including features resembling dry riverbeds and minerals that only form in the presence of water, suggest Mars once had a denser atmosphere that supported the presence of liquid water on the surface.

Although liquid water may be inside Mars where conditions are warmer, that possibility does not apply to Pluto, where temperatures are so cold there should be no liquid water on or inside Pluto to produce methane.

If the models can accurately portray the Martian atmosphere billions of years ago, scientists might be able to answer critical questions like whether the atmosphere was once substantial enough to sustain liquid water on its surface and support life.

Such a weak star would not have been able to sustain liquid water on the Earth's surface, and thus life should not have been able to develop.

The orbital distance from Zavijava where a planet currently would be «comfortable» for Earth - type carbon - based lifeforms with liquid water on the planetary surface in the so - called habitable zone is centered near 1.87 AU — between the orbital distances of Mars and the Main Asteroid Belt in the Solar System.

According to calculations performed for the NASA Star and Exoplanet Database, the distance from Ross 128 where an Earth - type rocky planet may have liquid water on its surface has been estimated to be between 0.06 and 0.11 AU — well within the orbital distance of Mercury in the Solar System.

The planet is also a super-Earth, but likely orbits too close to its parent star to have liquid water on its surface.

Because planets either too close to or too far from their host stars will be at temperatures that cause water either to boil or to freeze, astrobiologists define a «habitable zone,» a range of orbital distances within which planets can support liquid water on their surfaces.

Since K2 - 18b is likely rocky, this means the planet could have liquid water on its surface, which is one of many conditions for supporting life.

The distance from Star A where an Earth - type planet could have liquid water on its surface is centered around 1.35 AU — between Earth's and somewhat short of Mars» orbital distance of 1.5 AUs in the Solar System.

The implications are clear: on Earth, where there's liquid water, there's life — if there's liquid water on Proxima b, perhaps there's life there too.

Enceladus, however, is a tiny icy globe, there's no sign of liquid water on its surface.

Studies of extrasolar planetary systems have shown that many distant systems likely experienced similar chaotic collisions early in their formation, too, which led to doubts about the amount of liquid water on some of these worlds.

For any star, it's possible to calculate the range of distances where orbiting planets could have liquid water on the surface.

According to calculations performed for the NASA Star and Exoplanet Database, the distance from 41 Arae B where an Earth - type rocky planet may have liquid water on its surface has been estimated to be between 0.593 and 1.176 AU — between the orbital distances of Mercury and Earth in the Solar System.

The distance from the star where an Earth - type planet could have liquid water on its surface is centered around 0.611 AU — between the orbital distances of Mercury and Venus in the Solar System.

One of the newly - discovered planets could be ripe for life as it orbits at the right distance to the star to allow liquid water on its surface.

In them a planet might still be able to support liquid water on its surface if more exotic atmospheric compositions are allowed.

In 2003, astronomers at the University of Texas at Arlington performed refined calculations to determine that the habitable zone around 47 Ursae Majoris, where an inner rocky planet (with suitable mass and atmospheric gas composition and density) can have liquid water on its surface, lies between 1.05 and 1.83 AUs of the star.

At that point, this alien solar system tied the renowned TRAPPIST solar system, which at its discovery had the most planets capable of holding liquid water on their surface.

Now, we're almost certain that there's liquid water on Europa — and so the next stage is sending some kind of robotic probe or rover out there, to do some real, up - close - and - personal science.

Human exploration of planets and moons in the solar system has thus far taken place on dry land, thanks largely to the lack of liquid water on most celestial bodies.

All of the planet candidates are within the habitable zone, the orbital area that can support the existence of liquid water on the surface, and are considered Super-Earths.

Venus may have once been habitable; current research puts liquid water on the surface about 2 billion years ago.

Sometimes referred to as the «Goldilocks» zone by the media and the «surface water liquid zone» by scientists, the habitable zone refers to the range of distance from the star in which a planet orbiting it could have liquid water on its surface.

Also known as the «Goldilocks zone,» this area is neither too hot nor too cold and the temperature allows for the possibility of liquid water on the surface of the planet.

At present, the surface of the planet Mars is too cold and has too little atmospheric pressure to permit the pooling of liquid water on its surface.

Without an atmosphere, it would be impossible for a world to maintain liquid water on its surface, which is essential for the evolution of life as we know it.

Under red dwarf stars, plant - type life on land may not be possible because photosynthesis might not generate sufficient energy from infrared light to produce the oxygen needed to block dangerous ultraviolet light from such stars at the very close orbital distances needed for a planet to be warmed enough to have liquid water on its surface.

Hence, all of the known planets of 61 vir orbit withing the star's habitable zone's inner edge and so are presumed to be too hot to have liquid water on their surface.

Mars scientists have long associated the search for liquid water on red planet with the possibility of life, since the two are closely linked here on Earth.

Because the stars are also faint, planets can be located close to the star and still have a temperature that supports liquid water on the surface.

The existence of subsurface liquid water on Mars could also serve as a potential supply source for future red planet explorers.

The key long - term stabilizing mechanism that keeps Earth's climate in the habitable range (allowing liquid water on its surface) is the carbon cycle: it is the journey of carbon through the atmosphere, the ocean, the rocks, and the volcanoes of our planet.

The habitable zone — sometimes referred to the «Goldilocks» zone by the media and the surface water liquid zone by scientists — is the range of distance from the star in which a planet orbiting it could have liquid water on its surface.

«This is really the first «Goldilocks» planet, the first planet that is roughly the right size and just at the right distance to have liquid water on the surface,» astronomer Paul Butler, with the Carnegie Institution in Washington, D.C., told reporters during a conference call Wednesday.

«When people talk about «habitable zones,» they mean where there's liquid water on the surface.