Sentences with phrase «in early universe»

Some theoretical models have predicted that dark galaxies were common in the early universe when galaxies had more difficulty forming stars — partly because their density of gas was not sufficient to form stars — and only later did galaxies begin to ignite stars, becoming like the galaxies we see today.

Dan P. Marrone is interested in galaxy clusters, galaxy formation in the early universe, and the physics of the supermassive black hole in our galaxy, Sagittarius A *.

And because of the particular filters on it, JWST will have the ability to uncover these black holes obscured by dust, which is what we expect to see in the early universe.

While the Helium and hydrogen were formed in the early universe, rest of the elements it is postulated were cooked inside the stars.

Using data from three of NASA's Great Observatories (the Hubble Space Telescope, Chandra X-ray Observatory, and Spitzer Space Telescope), scientists have found the best evidence to date that supermassive black holes in the early universe were produced by the direct collapse of a gas cloud.

Since then, he has studied the evolution and distribution of quasars, discovering that they were more abundant in the early universe.

The idea is that we can use the composition of individual stars to trace the processes that created the elements in the early universe.

Quasars were such powerful generators of radiation in the early universe because the supermassive black holes in their cores had access to a huge quantity of material.

Further observations of the quasar will provide researchers with even more constraints on how black holes in the early universe can form — giving a better insight into what happened just after the Big Bang.

Combining the capabilities of two powerful telescopes, the Atacama Large Millimeter / submillimeter Array (ALMA) and Hubble Space Telescope, astronomers have explored the nature of a mysterious huge object called «Himiko» in the early universe.

Anna Frebel has discovered and characterized some of the simplest, least heavy - element - enriched stars in the universe, which speak to conditions in the early universe.

However, both explanations directly contradict theories about how black holes formed and grew in the early universe.

Webb could prove whether small galaxies in the early universe merged to form larger galaxies.

However, black holes that formed in the early universe are different.

«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.

Spying its dust helps astronomers sketch out what happened in the early universe.

It will be used for many different types of astronomical studies ranging from detailed imaging of galaxy clusters in the early universe to mapping areas of star formation in our own Galaxy.

Or could this provide us with insight into how all supermassive black holes grew in the early universe?

All three gamma - ray bursts (GRB 090423, 080913, and 050904) occurred during the Epoch of Reionization in the early universe.

The question astronomers have been asking is whether such starbursts in the early universe were the result of having an overabundant gas supply, or whether galaxies converted gas more efficiently.

A distant cloud of space dust is helping scientists confirm how stars likely formed in the early universe.

The galaxy, EGS - zs8 - 1, was originally identified based on its particular colors in images from Hubble and Spitzer and is one of the brightest and most massive objects in the early universe.

How did the first supermassive black holes grow alongside their host galaxies in the early universe?

Matter in the early universe slowly accumulated into larger structures, from molecules and clouds of molecular gas to stars and eventually galaxies.

This finding suggests that heavy - element enrichment began quickly in the early universe, soon after the birth of the first stars.

Several popular theories posit that the first black holes gorged themselves on gas clouds and dust in the early universe, growing into the supersized black holes that lurk in the centers of galaxies today.

While at Cornell he began collaborating with colleague Henry Tye on the creation of magnetic monopoles in the early universe and it was this work which led to his proposal of an inflationary universe.

Although they did not find any dark GRBs that originated in the early universe (such as the subsequently discovered GRB 090423), the astronomers were able to estimate that ancient GRBs probably account for only around 0.2 to 0.7 per cent of all gamma - ray bursts detected since their initial discovery.

«Every confirmation adds another piece to the puzzle of how the first generations of galaxies formed in the early universe,» said Pieter van Dokkum of the Yale University, second author of the study.

But, in the early universe, their study shows that the 3C 298 galaxy is 100 times less massive than it should be given its behemoth supermassive black hole mass.

She currently works on analyzing large cosmological simulations to understand the formation of galaxies in the early universe and the effect these galaxies had on...

«However, a lot of work remains to be done to test whether this idea will actually pan out; this is really just the tip of the iceberg in terms of realistic simulations of black holes in the early universe.»

The GBT will be used to study everything from the formation of galaxies in the early universe, to the chemical make - up of the dust and gas inside galaxies and in the voids that separate them, to the birth processes of stars.

One explanation for the existence of supermassive black holes in the early universe postulates that the first black holes were «seeds» that grew into much larger black holes by gravitationally attracting and then swallowing matter.

This computer - simulated image shows gas (blue) interacting with one of the first black holes (white) in the early universe, approximately 200 million years after the Big Bang.

«Star - formation studies of this galaxy provide a stepping stone to understand star formation in the early universe.»

Called I Zwicky 18, this galaxy has a youthful appearance that resembles galaxies typically found only in the early universe.

Galaxies resembling I Zwicky 18's youthful appearance are typically found only in the early universe.

The discovery of complex organic molecules in a nearby low - metallicity galaxy upends this theory and propels us toward a better understanding of the organic chemistry in the early universe.

In the early universe, before the budding galaxies have had time to upcycle their abundant hydrogen into heavier elements, organic chemistry is thought to proceed slowly or not at all.

New theoretical work shows that similar islands of gas enriched in heavy elements in the early universe could have held as much water vapour as we find in our galaxy today.

The study used data from the Baryon Oscillation Spectroscopic Survey, or BOSS, an Earth - based sky survey that captured light from about 1.5 million galaxies to study the universe's expansion and the patterned distribution of matter in the universe set in motion by the propagation of sound waves, or «baryonic acoustic oscillations,» rippling in the early universe.

These active star - forming galaxies located 1.5 billion and 5 billion light - years from Earth are similar to galaxies in the early universe.

And then in the early universe, when there's not as much dark energy, it shouldn't be as stretched out, but this is where we don't have much data yet.

Moreover, it also removes the need to invoke «exotic» and unknown sources to explain the process of reionization in the early universe.

(Dark energy was negligible in the early universe.)

A study released Wednesday shows that the first galaxies in the early universe may have been the catalyst behind cosmic reionization.

Hubble's latest discovery of 250 faint galaxies — formed 600 million to 900 million years after the Big Bang — in the early universe using three galaxy clusters to magnify the light given off by these distant objects.

still can't easily account for a large number of mature or massive galaxies in the early universe.»

This meeting brings together scientists from across Europe, whose aim is to detect the gravitational wave signature from interacting supermassive black holes in distant, merging galaxies in the early universe.