Sentences with phrase «such galaxies»

Stars in the outer regions of such galaxies appear to be orbiting the centre far too fast.

But it is also problematic for the standard dark matter picture, he says, as it's not clear how such a galaxy could form in the first place.

They believe that if such galaxies were common they could have burned off the hydrogen fog that filled the universe then and made it transparent to light.

Finding such a galaxy early in the history of the universe challenges the current understanding of how massive galaxies form and evolve, say researchers.

The finding helps resolve a curious shortage of such galaxies.

If this tally is typical of the rest of the sky — and Barger sees no reason why it shouldn't be — then there are at least 40 million such galaxies in the universe.

Previously, astronomers have used x-ray telescopes to observe strong winds very near the massive black holes at galactic centers (artist's concept, inset) and infrared wavelengths to detect the vast outflows of cool gas (bluish haze in artist's concept, main image) from such galaxies as a whole, but they've never done so in the same galaxy.

Astronomers have long hypothesized that the light from scattered stars should be detectable after such galaxies are disassembled.

Scientists are struggling to understand why such galaxies look so different from most others (SN: 12/10/16, p. 18).

As a result, moving in, around, and through such a tiny galaxy is quite easy to do, making them far more likely to be filled with streams and outflows of speedy charged particles known as galactic winds, which can flood such galaxies with little effort.

In an online paper to be published in the 1 April issue of Astrophysical Journal Letters, Esther Hu of the University of Hawaii, Manoa, and colleagues describe how they found one such galaxy using a natural image intensifier: a gravitational lens.

From her perspective, though, the real interest lies in a much larger but sparser spherical cloud of stars, known as the spheroid, surrounding such galaxies.

Although the warping of distant galaxies proved too subtle to see one by one, Mandelbaum found that she could analyze the shapes of millions of background galaxies and detect a statistical departure from what such galaxies would normally look like.

This huge elliptical galaxy NGC 5128 (also known as Centaurus A) is the closest such galaxy to the Earth, at a distance of about 12 million light - years.

If such galaxy clusters prove to be common, their combined mass could brake the expansion of the Universe and cause it to collapse.

New ALMA observations of two such galaxies reveal that these vast halos extend well beyond the galaxies» dusty, star - forming disks.

The vast volume of space probed by such a galaxy survey will provide a measure of the relationship between the amount of mass and the amount of radiation emitted by galaxies throughout the Universe.

The VLA can image the gas in such galaxies because it is particularly sensitive to the radio waves naturally emitted by hydrogen atoms.

One such galaxy initially has Mario braving an obstacle course of moons while avoiding the maws of giant lava hippos, but the second time around the famed plumber must use one of the game's power - ups to become a bowling ball and make his way through a bowling alley suspended in the sky.

Scientists still don't know how such galaxies might have formed or how their small populations of stars

Toft and his team hope to use NASA's upcoming James Webb Space Telescope to look for a larger sample of such galaxies.

Much to their surprise, the Heidelberg researchers identified about 90 such galaxies in the core of the Perseus galaxy cluster.

Our sun is one medium - sized star among the billion or more which make up our galaxy and our galaxy in turn is one of more than a billion such galaxies.

Six years ago astronomers predicted that such a galaxy might be in that region based on observed ripples in the Milky Way's disk.

Astronomers had speculated that the existence of small, dark matter — dominated satellite galaxies might solve the problem, but there was no evidence that any such galaxies existed.

Such galaxies are rare, but astronomers believe that they were more common in the past, when the Universe was younger.

Such galaxies are thought to be almost as old as any can be; for most of the universe's first half - billion years it languished in a cosmic «Dark Age,» too hot and dense for stars to form.

Because the dust is generated by young stars, such galaxies could open a new window on the universe's most active star - formation period.

Such galaxies may simply be harassed spirals on their way to becoming ellipticals, says Lake.

RX J1140.1 +0307 is such a galaxy — in fact, it is centered on one of the lowest black hole masses known in any luminous galactic core.

Such galaxies were not far enough away to enable us to probe the Universe's expansion.

The focus of the latest Hubble release, NGC 3344, is one such galaxy.

They studied three such galaxies, each of which is bending light from an even more distant quasar, a cosmic object whose brightness fluctuates randomly.

«Such galaxies, which have remained dormant for most of their lives, are believed to contain the chemical elements forged a few minutes after the Big Bang.By measuring the relative number of hydrogen and helium atoms in the Little Cub we might be able to learn more about what made up the Universe in the moments after it began 13.7 billion years ago,» Cooke added.

One such galaxy, J0925 — located 3 billion light - years from Earth — was emitting UV radiation and ejecting photons.

Yet gravitational tidal forces — from the black hole and from stars in the galaxy's nucleus — make the galactic center the antithesis of such a