Sentences with phrase «rocky cores as»

Or, if gas giant planets like KELT - 9b possess solid rocky cores as some theories suggest, the planet may be boiled down to a barren rock, like Mercury.»

But in many instances, the simulations show, even planets starting with rocky cores as little as 1.5 Earth's mass may trap and hold atmospheres containing between 100 and 1000 times the amount of hydrogen found in the water in Earth's oceans — thick, dense envelopes exerting pressures so hellish that life on the planets» surfaces might be almost impossible.

Not exact matches

As the economy continues its rocky recovery, policy - makers are quick to point out that core inflation, the key measure upon which the Bank of Canada depends to set monetary policy and stave off destabilizing devaluations of currency, remains in check.

Alternately, the planet can accumulate mass slowly as bits of dust collide and become pebbles, which collide to become boulders, which collide to become asteroids, and so on, until a rocky planetary core develops.

GJ 1132b, as it is known, looks a bit like home: only 16 % bigger in diameter than Earth and about the same density, suggesting a similar rocky crust and iron core.

Coming as close as 5000 kilometers to the 140,000 - kilometer - diameter gas ball, Juno and it's gravity - gauging system should measure the mass of any rocky core at the center of Jupiter.

Lagrange says the finding is consistent with a planet formation model known as core accretion in which the planet starts out as a rocky core that gravitationally acquires more matter from the surrounding swarm of dust and gas.

Analysis of data also shows that Ceres has a water - ice mantle surrounding a rocky core, and that there may still be at least pockets of liquid water beneath the surface, raising the prospect of potential habitability for microorganisms, as seemingly unlikely as that may sound for a world so far from the Sun.

Chemical analysis of the plume indicated the presence of organic and nitrogen - bearing molecules, as well as salts and silicates, which strongly suggest ocean water is in contact with a rocky core.

Building on past observations of the white dwarf called SDSSJ1043 +0855 (the dead core of a star that originally was a few times the mass of the Sun), which has been known to be gobbling up rocky material in its orbit for almost a decade, the team used Keck Observatory's HIRES instrument fitted to the 10 - meter Keck I telescope as well as data from the Hubble Space Telescope to measure and characterize the material being accreted by the star.

Planet «b» may have a dense wet atmosphere above layers of «supercritical fluid» and plasma, created when water and other ices subliminated as the planet migrated closer to its parent star, around a rocky core (more).

If the dust trap is formed in the disk, earth - like rocky planets, small bodies such as comets, or cores of gaseous planets may be formed.

As a result, Vesta «differentiated» into a relatively dense metallic core (of approximately 136 miles or 220 kilometers across), lighter mantle, and crust, like the rocky inner planets, many large planetary satellite's like the Earth's Moon, and probably most, if not all, of the newly named «dwarf planets» like Ceres.

Since the sun is a star and not a rocky planet like Earth, it doesn't have a hard core for the comet to hit, as it's only composed of gas.

Everywhere Governor Cuomo goes these days, he's dogged by questions from reporters about what's widely perceived as a rocky start up of New York State's adoption of the new national Common Core standards for school children.