Sentences with phrase «from planet formation»

These circumstellar dusty disks are likely generated by collisions between objects left over from planet formation around stars.

«Clearing out the debris [from planet formation] may take longer than we thought.»

Not exact matches

Of the trillions of stars (most of which probably have some rocky planets orbiting it from the leftovers of its formation) there are probably plenty of planets orbiting their stars at the same distance as ours with varying conditions, ours just happened to be right for humans to evolve and be here today.

He then went on to tell us about the history of the universe from the huge explosion of matter and energy (the Big Bang) through the formation of stars and then rocky planets on which complex chemicals were produced, leading to the synthesis of the first molecules of life and the emergence of the plant and animal kingdoms.

From all this, one can see that Colson's appeal to the Big Bang to show that astrophysics can not yield «natural explanations» of star and planet formation is utterly unfounded in science, philosophy, or theology.

Every bit of material that made up this planet came from bombardment, before, during and after the collision that led to the formation of the moon.

Moulton, an astronomer from the University of Chicago known for the planetesimal theory of planet formation, served as AAAS Permanent Secretary and then Administrative Secretary, 1937 to 1948.

«The results show that evaporation at high temperatures, similar to those at the beginning of planet formation, leads to the loss of volatile elements and to enrichment in heavy isotopes in the left over materials from the event,» said Day, a Scripps geoscientist and lead author of the study.

Donald Yeomans, who calculates the orbits for near - Earth objects at NASA's Jet Propulsion Laboratory, says that comets flung out from that belt pummeled our planet shortly after its formation and could have left behind water, possibly creating the conditions that allowed Earth to become a cradle for life.

Argon - 40 results from the decay of naturally occurring radioactive potassium - 40, found in the rocks of all the terrestrial planets as a leftover from their formation.

Our own Kuiper Belt, which extends outward from Neptune's orbit, is home to many dwarf planets, comets, and other small bodies left over from the formation of the solar system.

Hyodo, now visiting Institut de Physique du Globe de Paris for his research from this spring (April 2015) remarked, «Through this study, we were able to show that the current rings of Saturn reflect the formation and evolution processes of the planet's satellite system.»

Using data from the Hubble Space Telescope, researchers estimated the rates of past star and planet formation in the universe, which is now about 13.8 billion years old.

New research from The University of Texas at Austin adds evidence to a theory that claims the metallic cores of rocky planets like Earth were formed when molten metal trapped between grains of silicate rock percolated to the center of the planet during its early formation.

The leftover material from star formation flattens out as it spins and clumps together to make planets.

«Evidence from microfossils strongly suggests that life arose on the earth long ago, probably within a few hundred million years of the planet's formation.

Such one - step oxygen formation could be happening now as carbon dioxide increases in the region of the upper atmosphere, where high energy vacuum ultraviolet light from the Sun hits Earth or other planets.

The Oort cloud consists of objects ejected from the region surrounding the giant planets during and after their formation.

The findings, in the July 28 Nature, suggest that the origin of the 30 trillion to 45 trillion watts of heat produced by the earth's interior is about evenly divided between radioactive decay and leftover heat from the planet's molten formation.

Indeed, the present - day theory of planet formation — the build up of a rocky planet's core by the accretion of many small bodies — is very different from Jeans's.

This means that the disc may not be leftover debris from the formation of planets after all, and that the star may instead still be forming planets.

«Locked within the cometary particles is unique chemical and physical information that could be the record of the formation of the planets and the materials from which they were made,» he adds.

The team suggest that the asteroid was very likely to have been ejected from its binary system sometime during the formation of planets.

Based on these conclusions for Kepler - 34, it seems likely that all of the currently known circumbinary planets have also migrated significantly from their formation locations — with the possible exception of Kepler - 47 (AB) c which is further away from the binary stars than any of the other circumbinary planets.

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.

In research published this week in Astrophysical Journal Letters, Dr Zoe Leinhardt and colleagues from Bristol's School of Physics have completed computer simulations of the early stages of planet formation around the binary stars using a sophisticated model that calculates the effect of gravity and physical collisions on and between one million planetary building blocks.

One school of thought was that planets originally formed dry, due to the high - energy, high - impact process of planet formation, and that the water came later from sources such as comets or «wet» asteroids, which are largely composed of ices and gases.

These spontaneous traps then concentrate the grains coming from the outer disk regions, creating a very dense ring of solids, and giving a helping hand to the formation of planets.

The new study suggests that the «hot Jupiter» WASP - 18b, a massive planet that orbits very close to its host star, has an unusual composition, and the formation of this world might have been quite different from that of Jupiter as well as gas giants in other planetary systems.

The formation of a stratosphere layer in a planet's atmosphere is attributed to «sunscreen» - like molecules, which absorb UV and visible radiation coming from the star and then release that energy as heat.

There are many possible sources for the components of Earth's primordial atmosphere, from the so - called solar nebula, a cloud of dust and gas leftover from the sun's formation, to comets and other impactors that may have delivered significant amounts of chemicals to Earth during or after the planet's formation.

Leftover gas from the formation of the sun may have persisted into the era of planetary precursors, Holland and his co-authors note, so the dual capture of solar gas in and around planets is plausible enough.

After downloading a few files from his site and depositing them in my Celestia folder, I found myself staring at a blue planet, cloud formations swirling across its surface, its vast oceans punctuated with landmasses and polar ice caps.

«Only the spikes in temperature derived from the chondrule formation models can explain today's low amount of carbon on the inner planets.

Planets are thought to form from discs of gas and dust left over from the formation of the parent star.

Our solar system is littered with asteroids and comets, debris left over from the planets» formation.

Venus has long been referred to as Earth's sister planet not only because its size and distance from the sun are similar to those of the Earth, but also because its birth formation is considered to be similar to that of the Earth at the genesis period of the solar system.

«Herschel has offered us a new view of the hitherto hidden universe, pointing us to a previously unseen process of star birth and galaxy formation, and allowing us to trace water through the universe from molecular clouds to newborn stars and their planet - forming discs and belts of comets,» ESA's Herschel project scientist Göran Pilbratt said in a statement.

The IAU symposium 293 will bring together scientists from around the world to present new discoveries, and discuss ideas on the formation, detection, and characterization of extrasolar habitable planets.

STScI / NASA press releases: Hubble Makes the First Precise Distance Measurement to an Ancient Globular Star Cluster Hubble Unmasks Ghost Galaxies Deepest View of Space Yields Young Stars in Andromeda Halo Hubble Identifies Source of Ultraviolet Light in an Old Galaxy ESA press releases: Hubble Unmasks Ghost Galaxies Four Unusual Views of the Andromeda Galaxy Public speaking: On the Trail of the Missing Galaxies High - Level Science Products from Large and Treasury Programs: GO - 9453: The Age of the Andromeda Halo (126 orbits) GO - 10265: The Formation History of Andromeda (107 orbits) GO - 10816: The Formation History of Andromeda's Extended Metal - Poor Halo (128 orbits) GO - 11664 / 12666: The WFC3 Galactic Bulge Treasury Program: Populations, Formation History and Planets (56 orbits) GO - 12549: The Formation History of the Ultra-Faint Dwarf Galaxies (113 orbits)

We've recently realized that planets can migrate during solar system formation, moving closer to or farther away from their central star.

This general purpose, long - lived facility would be the prime tool for generations of astronomers, producing transformational scientific advances in every area of astronomy and astrophysics from black hole physics to galaxy formation, from star and planet formation to the Solar System.

In this regard, HL Tau is very different from what the conventional theory of planet formation suggested.

A «baby» solar system 300 light - years away has given astrophysicists from UCLA and the Carnegie Institution for Science a rare peek at the formation of a planet.

The orbits of Star A's planetary system appears to have suffered from a major disturbance since the formation of its planets, when compared with planetary orbits found in the Solar System (more).

This new technique provides a way to measure the true mass of a planet since both light from the star and the planet are detected, which can provide more accurate insights about the planet's formation and the evolution of its planetary system.

These discoveries from K2 provide a snapshot of planet formation and evolution in cluster environments and thus make excellent laboratories to test differences between field - star and cluster planet populations.

We analyze a sample of 1194 stars drawn from the California Planet Survey targets to determine the empirical functional form describing the likelihood of a star harboring a giant plane... ▽ More Correlations between stellar properties and the occurrence rate of exoplanets can be used to inform the target selection of future planet search efforts and provide valuable clues about the planet formation prPlanet Survey targets to determine the empirical functional form describing the likelihood of a star harboring a giant plane... ▽ More Correlations between stellar properties and the occurrence rate of exoplanets can be used to inform the target selection of future planet search efforts and provide valuable clues about the planet formation prplanet search efforts and provide valuable clues about the planet formation prplanet formation process.

Debris disks contain the solid remnants of planet formation that are in collisional cascade, with particles ranging from kilometre - sized planetesimals down to micron - sized dust grains.

Several formation mechanisms have been proposed to explain Sedna's extreme orbit, including interactions with planet - sized bodies, stellar encounters, multiple stellar fly - bys in a stellar birth cluster, interstellar capture, and perturbations from a wide - binary solar companion.