Sentences with phrase «formation of planetary systems»

This new finding is important because it's one of the first exoplanets in this mass range that lies beyond the «snow line» — the distance during formation of a planetary system beyond which ice can form from water, ammonia, and methane.
«Since many young stars form in multiple systems, we have to realize that the evolution of disks around them and the possible formation of planetary systems can be way more complicated and perturbed than in a simple case like our solar system,» Furlan added.
That is, objects such as the rings of the worlds Saturn and Uranus or the halos of dust and gas that surround young stars and supply the raw material for the formation of a planetary system or even the accretion disks of debris spiraling into a black hole.
The discovery shows for the first time that hot Jupiters can appear at a very early stage in the formation of planetary systems, and therefore have a major impact on their architecture.
In addition many theoretical studies of the formation of planetary systems out of contracting clouds of interstellar gas and dust imply that the birth of planets frequently if not inevitably accompanies the birth of stars.
These simulations help scientists gain insight into faraway objects and events — a collision of galaxies, the progression of a supernova explosion, the formation of a planetary system — that they can not see firsthand.
Today, he develops numerical simulations for the formation of planetary systems.
Its detection helps astronomers understand the chemical processes that occur during the formation of planetary systems and that ultimately lead to the creation of the ingredients for life.
Current hypotheses about the formation of planetary systems indicate that hydrogen - rich gas giant planets, like Jupiter and Saturn, likely formed early in the life of solar systems and probably closer to their host star.
A paper describing the formation of this planetary system by a research team was published in the journal Nature today.
None of the approximately 750,000 known asteroids and comets in the Solar System is thought to have originated outside it, despite models of the formation of planetary systems suggesting that orbital migration of giant planets ejects a large fraction of the original planetesimals into interstellar space1.
Alan P. Boss is an astrophysicist at the Carnegie Institution for Science's Department of Terrestrial magnetism and an expert on extrasolar planets and the formation of planetary systems.
«Before we ever discovered any [planets outside the solar system] we thought we understood the formation of planetary systems pretty deeply.»
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