Sentences with phrase «of young galaxies»

MAUNAKEA, Hawaii — Astronomers have uncovered evidence for a vast collection of young galaxies 12 billion light years away.

Hydrogen emission from EGSY8p7 may indicate it is the first known example of an early generation of young galaxies emitting unusually strong radiation.

The team compared the positions of these galaxies with the location of a cluster of young galaxies 11.5 billion light - years from Earth in SSA22 which had been studied in visible light by the Subaru Telescope, operated by the National Astronomical Observatory of Japan (NAOJ).

Weighing in at 800 million solar masses, this supermassive specimen was found in the center of a young galaxy that's generating powerful radiation.

Not exact matches

«Beware of the dark side,» Yoda warned young Luke Skywalker, and apparently the advice holds even in a galaxy far, far away from the Star Wars universe.

The scientists found a desolate chunk of space surrounding the center of our galaxy that is devoid of young stars, which contradicts recent work done on the region.

The young Welsh astronomer realized the alien had no chance of seeing the Milky Way, let alone the universe's oodles of dimmer galaxies.

The field is so small that only a few foreground stars in the Milky Way lie within it; thus, almost all of the 3,000 objects in the image are galaxies, some of which are among the youngest and most distant known.

Many other potential applications of this dataset are explored in the series of papers, and they include studying the role of faint galaxies during cosmic reionisation (starting just 380,000 years after the Big Bang), galaxy merger rates when the Universe was young, galactic winds, star formation as well as mapping the motions of stars in the early Universe.

Young star clusters and clouds of hydrogen that formed in our galaxy help trace the shapes of the Milky Way's arms, so astronomers are reasonably certain that it has a spiral structure (see right).

Researchers also found that NGC 1448 has a large population of young (just 5 million year old) stars, suggesting that the galaxy produces new stars at the same time that its black hole feeds on gas and dust.

Instead, the bursts could come from a young neutron star orbiting the dwarf galaxy's dominant black hole, which probably has between 10,000 and 1 million times the mass of the sun, he says.

«It appears that the young stars in the early galaxies like EGS - zs8 - 1 were the main drivers for this transition, called reionization,» said Rychard Bouwens of the Leiden Observatory, co-author of the study.

For example, astronomers have been trying to explain why some recently discovered distant, but young, galaxies contain massive amounts of dust.

Using the Very Large Array of the National Radio Astronomy Observatory in the US, the team observed radio emission from hydrogen in a distant galaxy and found that it would have contained billions of young, massive stars surrounded by clouds of hydrogen gas.

The deep 3 - D map also revealed young galaxies that existed as early as 12.5 billion years ago (at less than 10 percent of the current universe age), only a handful of which had previously been found.

«What our observations of galaxies in the early universe tells us is these very early young galaxies at the dawn of the universe and their growing baby black holes already had some deep fundamental connection between them,» Schawinski said.

«Not only did we detect radio signals emitted by distant galaxies when the Universe was three billion years younger, but their gas reservoirs turned out to be unexpectedly large, about 10 times larger than the mass of hydrogen in our Milky Way.

The remote object is part of a discovery of 22 young galaxies at ancient times located nearly at the observable horizon of the universe.

But around the same time studies of very distant galaxies, which we see as they were when the Universe was very young, were setting constraints on the amount of baryonic matter in the Universe (New Scientist, Science, 30 April).

Note that regions of Milky Way are blue from bursts of star formation, while the young, dead galaxy is yellow, signifying an older star population and no new star birth.

And since the color and brightness of young clusters gives their ages — and therefore, the time since a collision began — astronomers hope to put together a series of snapshots of the entire collision process by looking at many examples of merging galaxies.

Some stars in globular clusters may be 15 billion years old, he says, but the great bulge at the center of the Milky Way — a younger part of the galaxy, according to conventional wisdom — actually holds stars that are 1 or 2 billion years older.

The universe is turning out to be thronged with dim and ghostly young galaxies that had escaped the notice of astronomers.

Describing the discovery October 16 in Astrophysical Journal Letters, the team of astronomers led by Arjen van der Wel of the Max Planck Institute for Astronomy in Heidelberg, Germany report that the lensing galaxy is relatively light, young and bursting with new stars.

The evidence for young massive galaxies is the best yet, agrees astrophysicist Laura Ferrarese of Rutgers University in Piscataway, New Jersey.

Aging red giant stars coexist with their more plentiful younger cousins, the smaller, white, Sun - like stars, in this crowded region of our galaxy's ancient central hub, or bulge.

As Bregman hoped, dozens of young stars turned up in each of the three promising galaxies — and as an added surprise, they even appeared in Messier 105.

The rate of star formation is a small fraction of what goes on in a younger galaxy like the Milky Way, but even these low levels of activity will force theorists to revise their models of how galaxies evolve.

The giant scope will also examine the composition of matter in distant young galaxies.

A team of astronomers has doubled the number of known young, compact radio galaxies — galaxies powered by newly energized black holes.

To verify this rugby - scrimmage view of the early universe, astronomers need to see even younger, tinier proto - galaxies, at about 90 percent of the way back to the Big Bang.

Over the last few billion years, a mysterious kind of «galactic warming» has caused many galaxies to change from a lively place where new stars formed every now and then to a quiet place devoid of fresh young stars.

Astronomers have found a very young galaxy that produces thousands of stars a year — hundreds of times more than our own Milky Way.

Young stars (yellow band) surrounding the core of this dusty galaxy show up in the NICMOS image (top), but not in the optical image.

He decided to point Hubble's Wide Field Camera 3, an addition made to the scope in 2009, at four nearby aging galaxies to hunt for the telltale ultraviolet glow of young stars.

While the new study adds to the Milky Way's tally of star - forming regions, it may not substantially boost our galaxy's star total because the young, massive stars focused on in this study make up only a small percentage of the overall population.

An international team studying gas clouds in a distant galaxy has found that the temperature of the gas matches almost exactly what models predicted for the young cosmos.

The new findings suggest that many young stars, our sun included, can migrate from one part of the galaxy to another.

Given this and other recent finds, astronomers either have been phenomenally lucky — or, more likely, they have underestimated substantially the number of small, very young galaxies in the early Universe.

A new study led by University of California, Riverside astronomers casts light on how young, hot stars ionize oxygen in the early universe and the effects on the evolution of galaxies through time.

To make matters worse, the magnified object is a starbursting dwarf galaxy: a comparatively light galaxy (it has only about 100 million solar masses in the form of stars [3]-RRB-, but extremely young (about 10 - 40 million years old) and producing new stars at an enormous rate.

Other so - called hypervelocity stars are thought to have been boosted to their high speeds by close encounters with our galaxy's supermassive black hole (see Hypervelocity stars: Catch them while you can), but this star is too young to have travelled all the way from the centre of the Milky Way.

The researchers mapped thousands of star clusters in the attractive barred spiral galaxy M83 (shown), 15 million light - years from Earth, finding that the percentage of young stars in clusters declines from the urban core to the suburbs: Four thousand light - years from M83's center, 19 % of young stars belong to clusters, whereas 13,000 light - years out, just 7 % do.

Neal Evans, an astronomy professor at the University of Texas at Austin, credits the researchers for broadening the observational window from the somewhat anomalous luminous events to include run - of - the - mill galaxies in the fairly young universe.

Like any spiral galaxy, M106 has a pair of arms full of bright young stars (green), but researchers have long wondered at the source of its two extra arms (purple and blue), visible in radio and X-ray images.

Astronomers have seen them shooting out of young stars just being formed, X-ray binary stars and even the supermassive black holes at the centers of large galaxies.

[4] Very little is known about the origin and characteristics of the magnetic fields that were present in our galaxy when it was young, so it is unclear whether they have grown stronger over time, or decayed.

In lieu of a working time machine, we learn about the birth of our Sun and its planets by studying young stars in our galaxy.

The newfound young star clusters lie thousands of light - years below the plane of our Milky Way galaxy, a flat spiral disk seen in this artist's conception.