Sentences with phrase «formation of stars»

The triggered formation of stars, the influence of the young stars upon dust and gas, and the disturbance of magnetic fields can all be observed and examined in this single area.

Magnetic fields are also important in various phenomena including formation of stars and planets and exotic events around black holes.

Like the rate of formation of a star, the subsequent rate of evolution on the main sequence is proportional to the mass of the star; the greater the mass, the more rapid the evolution.

The rapid formation of stars billions of years ago compared with the present day appears to have resulted from larger gas reservoirs rather than from a more efficient formation process

The team used several hundred thousand compute hours at NERSC to produce a series of 2D and 3D simulations that helped them examine the role of dark matter halo photoevaporation — where energetic radiation ionizes gas and causes it to disperse away from the halo — played not just in the early formation of stars but also the assembly of later galaxies.

It didn't just randomly explode, rather it expanded in such a precise manner that an infinitesimal change would have rendered a universe where matter was so spread out no formation of stars could have possibly occurred.

Secondly, we've been able to witness supernovas, formation of stars, planets, ect... so there's verifiable proof that those exists.

In addition, if the ratio of the electromagnetic force constant to the gravitational constant were greater by more than 1 part in 10 to the 40th power, then electromagnetism would dominate gravity, preventing the formation of stars and galaxies.

As said elsewhere here, we understand how stars form and our inability to reproduce the formation of a star does not invalidate the understanding.

The formation of the stars, the creation within those stars of the periodic table of elements and the formation of the planets and planetary systems can be seen as the «free will principle» of the material dimension of the universe.

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.

«If we can understand the chemical complexity of these ices in the molecular cloud, and how they evolve during the formation of a star and its planets, then we can assess whether the building blocks of life should exist in every star system,» said Melissa McClure of the Universiteit van Amsterdam, the principal investigator on a research project to investigate cosmic ices.

The telescope's 18 gold - coated mirror segments will allow astronomers to search for the universe's oldest galaxies, observe the formation of stars and measure the physical and chemical properties of planetary systems.

Scientists are looking closer at brown dwarfs to learn more about the formation of stars and planets.

Small primordial ripples in the structure of spacetime, which can be seen in the cosmic microwave background, grew to colossal scale and led to the formation of stars, galaxies, and other structures.

Vortices may also midwife the formation of stars and planets, lasting for millions of years as they pull interstellar dust and rocks into large masses.

«It would change the balance of baryonic versus dark [nonbaryonic] matter, and all models of the formation of stars, galaxies, and heavy elements,» he says.

In the world of astronomy, the specific frequency of T - rays would allow scientists to observe the formation of stars.

Today, this dust is plentiful and is a key building block in the formation of stars, planets and complex molecules; but in the early Universe — before the first generations of stars died out — it was scarce.

Some astronomers believe that, in the early cosmos, it formed halos that compressed gas and dust, sparking the formation of stars.

Two teams of astronomers led by researchers at the University of Cambridge have looked back nearly 13 billion years, when the Universe was less than 10 percent its present age, to determine how quasars — extremely luminous objects powered by supermassive black holes with the mass of a billion suns — regulate the formation of stars and the build - up of the most massive galaxies.

The new work implies that the merger of galaxy clusters has a major impact on the formation of stars.

Astronomers have long thought that the formation of a star and its solar system was straightforward.

After the initial discovery of brown dwarfs in 1995, scientists quickly realised that they are a natural by - product of processes that primarily lead to the formation of stars and planets.

Scott J. Kenyon uses observations and numerical simulations to study the formation of stars and planetary systems.

This cumulative evidence led scientists to assume the growth of black holes and the formation of stars go hand - in - hand.

«No single model for the formation of these star clusters can currently reproduce the diversity of structural properties we have observed for old star clusters,» Professor Forbes said.

It is possible that in these galaxies, the strong magnetic fields are also swept out along with the clouds of gas and dust, resulting in turbulence that prevents the formation of stars.

These jets, which extend for 20,000 light - years from the black hole, cool in the distance before raining back on the black hole, leading to the formation of stars.

Such braking is an important process because it assures a source of matter of relatively low angular momentum (by the standards of the interstellar medium) for the formation of stars and planetary systems.

The JWST's goals, Rhee explains, are mapping the evolution of galaxies, searching for planets that might support life, studying the formation of stars and planets, and searching for the formation of the first stars and galaxies.

The formation of stars in associations is the most common outcome; bound clusters account for only about 1 to 10 percent of all star births.

They routinely create hot plasma jets and gas bubbles that are thought to prevent the cooling of galaxies and regulate the formation of stars, which requires cold hydrogen gas as a building block.

It's going to examine not just the formation of stars and planets, but how galaxies evolved.

In the normal course of events, a galaxy dies — or becomes quiescent — when its massive reservoir of gas and dust is used up during the formation of stars.

Models of the formation of stars in the pristine gas of early times suggest that star formation was once dramatically different from the stellar births that happen in the local Universe.

Although very young stars tend to have circumstellar dust or «debris» disks, such dust grains generally disappear quickly during the formation of the star.

ALMA observations with the band 4 receiver provide data about interstellar matter and increase our understanding of the formation of stars and galaxies.

«It is a wonderful opportunity to hear about the latest discoveries on anywhere from protoplanetary disks, to the formation of stars, and to the properties of distant galaxies,» explains John Carpenter, Observatory Scientist at ALMA.

«These findings may be telling us something very deep about the formation of star clusters and black holes in the early universe,» says Roeland Van Der Marel of the Space Telescope Science Institute in Baltimore.

By studying these stars, and using additional telescope facilities such as the powerful Atacama Large Millimeter / submillimeter Array (ALMA) in Chile, the study will provide new and unique insight into the timescale for the formation of stars and planets, including whether planets form during or after the assembly of the star.