Sentences with phrase «in spiral galaxies»

Astronomer Vera Cooper Rubin found over decades of radio observations that the rotational velocity of clouds of ionized hydrogen (HII regions) in spiral galaxies like the Milky Way was not decreasing at increasing distance from their galactic cores, like the velocity of the planets around the Sun.

The discovery of dark matter was helped along by the 300 - foot's observations of hydrogen in spiral galaxies.

Spiral arms are the major regions of star formation in spiral galaxies and this is where most of the major nebulae are found.

A similar statement can be made concerning many stars in spiral galaxies and gas clouds that surround some galaxies.b These stars and gas clouds have such high velocities that they should have broken their «gravitational bonds» long ago — if they were billions of years old.

In both spiral galaxies and lawn sprinklers, the spiral arms trail behind the direction of rotation.

Notice how the stretching of space spread the stars in spiral galaxies into the same pattern as a spinning lawn sprinkler spreads water droplets.

In spiral galaxies, the rotation curve remains at about the same value at great distances from the center (it is said to be «flat»).

ONE of the principal reasons why astronomers believe in dark matter is that it helps to explain the puzzling motion of stars in spiral galaxies, including our own Milky Way.

Vadim Zhytnikov and James Nester of National Central University in Chung - Li tried to construct a relativistic gravity theory which is able to explain both the orbital motion of stars in spiral galaxies and the bending of light while possessing the most general features possible (Physical Review Letters, vol 73, p 2950).

The same effect can not, by itself, explain the high speed of stars orbiting in spiral galaxies.

Open clusters like NGC 2367 are a common sight in spiral galaxies like the Milky Way, and tend to form in their host's outer regions.

Astronomers realised in the 1970s that the gravity of visible matter alone was not enough to prevent the fast - moving stars and gas in spiral galaxies from flying out into space.

Harnessing the power of both the Hubble Space Telescope and the citizen science project Galaxy Zoo, scientists from the University of Portsmouth have found that bar - shaped features in spiral galaxies accelerate the galaxy aging process.

Earlier observations of star clusters forming in evenly distributed clumps in spiral galaxies could explain Tremblay's «serendipitous discovery» in the Hubble data.

The same rotational pattern shows up in spiral galaxies throughout the universe, including our own Milky Way.

On average stars in spiral galaxies tend to be much younger than those in ellipticals.

We think we live in a spiral galaxy of the sort we see scattered throughout the cosmos, but our lowly viewpoint in the galactic disc means we struggle to trace how its arms are furled, or even count how many there are.

Its source appears to be a glowing cloud of warm molecular hydrogen, in the spiral galaxy Messier 83.

The magenta spots in this image show two black holes in the spiral galaxy called NGC 1313, or the Topsy Turvy galaxy.

To make one such measurement, scientists observed Cepheid variable stars and a type 1a supernova in the spiral galaxy UGC 9391 (shown), located 130 million light - years away in the constellation Draco.

Galaxy Zoo 2 throws a quarter million images of bright galaxies to armchair astronomers for examination: How many arms in that spiral galaxy?

We now know that we live in a spiral galaxy, consisting of billions of stars, and that our galaxy is just one of hundreds of billions of galaxies in the universe.

The central bar of the Milky Way looks like the bar in the spiral galaxy M95

Dating the formation of the counter-rotating stellar disc in the spiral galaxy NGC 5719 by disentangling its stellar populations..

Not exact matches

Eventually, in 10 - 100 quintillion years, these stellar remnants will either have escaped their galaxy's pull, or will have spiraled into the supermassive black hole at the center.

The research team of international scientists wanted to figure out if the Milky Way matches the spiral shape observed in other galaxies, as part of a larger study that aims to sharpen our image of our galaxy.

It says that we're only a tiny blip in the Universe — an inconsequential mote in the outer spiral arm of a conventional spiral galaxy trillions of light years wide.

Earth is part of our solar system, our solar system is a very small neighborhood in a spiral arm of our galaxy, our galaxy is one of the smaller of the billions of galaxies that are the residue of the Big Bang - this is where we are at right now... using several different types of telescopes analyzing several types of radiation and using our mathematics to calculate distortions in light waves to calculate dimensions, distance and mass — doing this we can generate a physical picture of what is actually happening our there.

With all our knowledge, big brains, university degrees and amazing (to us) technology, consider than we dwell on a damp little planet, in an ordinary solar system, in the boonies of a very ordinary spiral galaxy which is composed of billions of stars, millions of which are much, much larger than our sun.

I love the color contrast in this image, the fact that we're seeing entirely different populations of objects, and also the simple idea that this is such a strange view of the Andromeda galaxy, a huge spiral so bright and close it's easily visible to the unaided eye from a dark site.

TThe Andromeda Galaxy (also known as Messier 31, M31, or NGC 224; older texts often called it the Andromeda Nebula) is a spiral galaxy approximately 2.5 million light - years away in the constellation Andromeda.

Yet, bizarrely, the galactic titan is rendered profoundly dim by its wispy spiral arms, spaced 10 times farther apart than in conventional spiral galaxies.

The team also see the effect of those smaller galaxies, in some cases spiralling into the larger galaxy early in its history, in a process that could have created large spiral discs.

The spiral galaxy M101 takes center stage in this photo from the Dragonfly telescope, but astronomers are also interested in the fainter galaxies lurking in the background.

Using this technique, scientists have measurements for 11 Milky Way satellite galaxies, eight of which are orbiting in a tight disk perpendicular to the spiral galaxy's plane.

In it, black holes 25 and 31 times as massive as the sun spiraled together in a galaxy 1.8 billion light - years awaIn it, black holes 25 and 31 times as massive as the sun spiraled together in a galaxy 1.8 billion light - years awain a galaxy 1.8 billion light - years away.

[4] Spiral galaxies have an obvious disc structure, with a distended bulge of stars in the centre and surrounded by a diffuse cloud of stars called a halo.

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).

At a certain distance from the galactic center, the rotation curves for stars in most every spiral galaxy simply do not fall; instead, at some point they flatten.

About 70 percent of galaxies in the modern universe display spiral arms.

For its entire mission, Kepler's view will remain fixed on one of the spiral arms of our galaxy, on a field of stars in the constellations Cygnus and Lyra.

Far fewer tidy spirals existed in the ancient era, and far more galaxies boasted peculiar, unclassifiable shapes.

Indeed, the Milky Way is one of the least charted spiral galaxies in the nearby universe.

Arp 256 is a stunning system of two spiral galaxies, about 350 million light - years away, in an early stage of merging.

All the stars in NGC 891, a spiral galaxy located 30 million light - years away in the constellation Andromeda, orbit around the center.

This work marks the first time astronomers have identified a superluminous supernova that exploded in a large spiral galaxy, and in a metal - rich area.

Start worrying in a few million years about a cosmic dust collision, when the sun hits the closest spiral arm of our galaxy.

We know the Milky Way is a star - filled spiral galaxy in excess of 100,000 light - years wide, and we know our solar system drifts between two spiral arms at its outskirts, some 27,000 light - years from its center.

In hurricanes and galaxies, the body rotation spawns spiral shapes: When the center turns faster than the periphery, waves within these phenomena get spun around into spirals.

Astronomers have noted that such streams of stars are relatively common in the outer regions of spiral galaxies, a phenomenon that has been observed on the outskirts of the Milky Way as well as around the nearby Andromeda galaxy.