Sentences with phrase «mass gas giant»

CoRoT - 7 b, the first potential rocky planet detected outside the Solar system, may be the remnant core of a Saturn - mass gas giant that had its atmosphere and lower gas metal layers burned off (more)

GJ 436b is a Neptune - mass gas giant planet whipping around its parent star every 2.64 days.

Although tentative, this correlation makes sense: the fewer metals a Jupiter - mass gas giant possesses, the more lightweight hydrogen and helium it has, so the bigger and fluffier the planet should be.

Not exact matches

At just under eight times the mass and twice the size of our own world, 55 Cancri e is a welterweight that straddles the hazy boundary between terrestrial and gas - giant planets.

He predicts that with further observations, more «normal» gas giants will be found, such as one described last week that has twice the mass of Jupiter and orbits its star at 13 AU.

They build up a solid core five to 10 times the mass of Earth — quickly enough that the disk remains gas - rich and the core can pull in a thick atmosphere, producing a gas giant like Jupiter.

«In total, Jupiter's jet streams contain about 1 percent of the gas giant's mass.

«WISE 0855 is our first opportunity to study an extrasolar planetary - mass object that is nearly as cold as our own gas giants,» Skemer said.

If there's gas around and the bodies get large enough, perhaps something on the order of 10 Earth masses or so, then you can start pulling some gas in on top of your rocky core and make something that looks like a gas giant planet, like Jupiter.

With about five times the mass of Jupiter, WISE 0855 resembles that gas giant planet in many respects.

Because a gas giant's atmospheric pressure and magnetic field both depend on its mass, less - massive worlds such as Saturn should have dynamic weather extending more than three times deeper than Jupiter's.

The inner parts of the planet - spawning disks of gas and dust surrounding new - born stars are not believed to contain enough mass to form giant planets.

The astronomers took hundreds of infrared pictures of PSO J318.5 - 22, which is a gas giant like our Jupiter but with eight times the mass.

And Jupiter's great mass ensures that only asteroids occupy the orbit between it and Mars; anything larger gets ejected from the area by the gas giant's gravity.

«In 2007, we began our long - term search for gas giant planets and brown dwarfs orbiting nearby low mass dwarf stars,» said Boss.

This auroral display was due to a giant cloud of gas from the sun — a coronal mass ejection or CME — that collided with Earth's magnetic fields on Aug. 19, 2014, at 1:57 a.m. EDT.

Both low - and high - mass clusters form within larger complexes of gas and dust called giant molecular clouds.

NGC 253, a giant that's somewhat smaller than the Milky Way, is experiencing a starburst: For its size, it's converting gas and dust into new stars at a rapid clip, 2.8 solar masses per year.

The earlier theories proposed that gas - giant planets such as Jupiter and Saturn involved the growth of large solid cores of about 10 to 20 Earth masses, followed by the accumulation of gas onto these cores.

The main part of the school will be a series of lectures on the structure and evolution of stars with various masses including gas giant planets and on the effects of mass loss and stellar rotation upon them.

In particular, it has suggested that we should see few gas giants around low mass stars because the gas disk is expected to dissipate before the atmosphere collapse leading to a rapid accretion phase.

I'm still holding out for the news that reads: «Second Earth Found» -[this exoplanet] will have all the right ingredients: orbit its star inside the habitable zone, spectroscopic analysis will reveal a nitrogen - rich atmosphere, evidence of water, roughly the same mass as our planet and it will belong in a system with a couple of gas giants shepherding the outer system.

Until now, the gas giant planets that have been directly detected have been much larger — five to 13 times Jupiter's mass, Fitzgerald said.

With the unprecedented access of VLT FORS2 to the abundance of fainter systems that HST can not observe we measure the optical transmission spectra of twenty exoplanets from gas giants down to Earth - mass, cooler worlds.

«This giant gas bubble contains about a million times more mass than the Sun and the energy powering its outflow is equal to about 100 supernova explosions,» said Yurii Pidopryhora, of the National Radio Astronomy Observatory (NRAO) and Ohio University.

a. Gases dissipate rapidly in the vacuum of outer space, especially the lightest two gases — hydrogen and helium, which comprise most of the mass of the giant plaGases dissipate rapidly in the vacuum of outer space, especially the lightest two gases — hydrogen and helium, which comprise most of the mass of the giant plagases — hydrogen and helium, which comprise most of the mass of the giant planets.

KELT - 16b could also join WASP - 43b in extending tests of the observed mass - metallicity relation of the Solar System gas giants to higher masses.

The absence of a substantial volatile envelope despite the large mass of K2 - 55b poses a challenge to current theories of gas giant formation.

Astronomers used to think that planets with at least 10 times the mass of Earth had to be gas giants.

Finally, in an unrelated event, a plainly visible giant puff of solar gas is emitted, representing a large mass ejection in a direction away from the Earth.

Planetary candidate «c» appears to be a gas giant with 72 percent of Jupiter's mass (shown here with Europa) in an outer orbit.

Planet b or A1 is probably a gas giant with a minimum mass around that of Jupiter (shown here with Europa).

The planet Kepler - 1647b is a gas giant, and about the same size and mass as Jupiter, the largest gas giant in our solar system, and researchers say that, like Jupiter, it probably has multiple moons.

These planets will span a range of masses — from gas giants to super-Earths — , stellar companions and temperatures — from hot to habitable.

If the abundance of dust and gas is comparable to that in typical environment in the universe (the mass ratio of dust and gas is 1 to 100), the dense region is massive enough to attract large amount of gas due to the self - gravity and form giant gaseous planets several times more massive than Jupiter.

Brown dwarfs are more massive and hotter than giant gas planets but lack the mass required to become sizzling stars.

Using a lower bound of two Earth - masses, astronomers have been increasingly relying on the label «super-Earth» for extra-Solar planets that are probably too large to be very «Earth - like,» despite their search for planets with characteristics closer to the Solar System's four rocky inner, «terrrestrial» planets than gas giants.

Given that its surrounding shell of gas and dust contains the higher element Magnesium, the star may have already shed a substantial share of its mass after progressing up the giant branch farther than, say, Pollux.

The headlines say «Earthlike» and the text says this means «rocky, not a gas giant» — for example, 7.5 x Earth's mass, 200 - 400 degrees Centigrade is Earthlike.

Eccentricity change is caused by the gravitational mass of gas giant Jupiter tugging on the earth's orbit.

In the Finger Lakes not a week goes by without mass arrests of local activists attempting to stop the building of a giant underground gas storage cavern.