Sentences with phrase «central bulge»

A typical spiral galaxy has a spherical central bulge of older stars surrounded by a flattened galactic disk that contains a spiral pattern of young, hot stars, as well as interstellar matter.

It is a spiral galaxy with a very large central bulge.

Moving out from this central galactic bulge, the panorama sweeps from the galaxy's central bulge across lanes of stars and dust to the sparser outer disk.

Along with these complex stellar characteristics are those of our Milky Way; the whole central bulge rotates around the galactic centre.

M66 is considerably larger than its neighbor, M65, and has a well developed but not well defined central bulge, and is therefore classified Sb.

The observations are the deepest, most detailed study of the galaxy's foundational city structure — its vast central bulge that lies in the middle of a pancake - shaped disk of stars, where our solar system dwells.

The nebulous galaxy features a bright central bulge and diffuse arms with distinct star - forming regions.

At such a distance, all we would be able to make out is the vivid central bulge of stars.

The image shows both the thin disk and central bulge populations of stars in our spiral galaxy.

Its bright nucleus, large central bulge and spiral...

The fascia features narrower, squinting headlights and a new grille, and the hood now boasts a prominent central bulge.

They found that the mass in the central bulge (regardless of how big the disk surrounding it may be) is the key to knowing the colour of the whole galaxy.

This artist's concept illustrates the two types of spiral galaxies that populate our universe: those with plump middles, or central bulges (upper left), and those without them (foreground).

NGC 5866 is a lenticular galaxy, a type that has a central bulge and flat disk like our Milky Way, but appears to lack the spiral arms that decorate our own galaxy.

Team member Erica Nelson, of Yale University, added: «These galaxies show us the whole Milky Way grew at the same time, unlike more massive elliptical galaxies, in which the central bulge forms first.»

With a central bulge set inside a disc - like ridge, they bear an uncanny resemblance to your stereotypical flying saucers

Curiously, the fraction of each cluster's mass that resides in the black hole — about 0.5 % — is the same ratio seen for supermassive black holes in the central bulges of giant galaxies.

Galaxies with more massive black holes turn out to have a higher concentration of stars in their central bulges, and consequently, the starlight is brighter in that region.

Globular star clusters — vast collections that hold anywhere from tens of thousands to a few million suns — roam the periphery of our galaxy's central bulge.

The central bulge shows up as a peanut shaped glowing ball of stars and the spiral arms and their associated dust clouds form a narrow band.

Lee compared groups of stars from two different regions of the galaxy: the central bulge and the roughly spherical, globular - cluster - studded halo that surrounds the Milky Way disk.

«There are many theories describing the formation of our galaxy and central bulge,» said Annalisa Calamida of the Space Telescope Science Institute, Baltimore, Maryland, a member of the Hubble research team.

The lovely, familiar swirl of the Milky Way, with its symmetric spiral arms winding outward from a central bulge, may be scars from a smaller galaxy punching above its weight.

The L - shaped «arm» of the cast is the entrance tunnel; the central bulge is the nest; and the other «arm» is the escape tunnel.

The central bulge is packed tight with old red stars and an invisible black hole some 4 million times as massive as the sun.

The astronomers looked at 130 planetary nebulae in the Milky Way's central bulge.

«The alignment we're seeing for these bipolar nebulae indicates something bizarre about star systems within the central bulge,» explains Rees.

They found that their virtual dwarf galaxies mimicked the genuine article, lacking both a central bulge and a dark - matter halo.

Studies of similar objects in the central bulge of the Milky Way have revealed an unexpected alignment.

The theoretical engine of this growth turns out to be complex: New galaxies get pulled in and stretched around the halo like strings of spaghetti, maintaining the signature of their independent origin; galaxies closer to the central bulge get mixed up with other old structures, losing the hallmarks of their original form.

When it does it will probably develop a central bulge and a supermassive black hole, just like its more social neighbours.

Why would the correlation of the black hole's mass be even stronger for the mass of the galaxy's central bulge than the mass of the entire galaxy?

Globular Clusters are a fascinating objects to view and can be easily seen with binoculars, they are groups of ancient stars huddled together and orbiting the central bulge of our galaxy.

(Without this understanding, central bulges are a mystery.43

The central bulge has a long bar identified with some 30 million stars that may help to feed the central black hole with gas and dust (more).

The closest matter to the black hole became the central bulge.

For reasons not fully understood, it appears that the sizes of central black holes and the masses of their galaxies, especially the central bulges, are almost perfectly in step

Hubble astronomers have found an unexpected surprise while surveying more than 100 planetary nebulae in the central bulge of our Milky Way galaxy.

Most of the Milky Way's flattened spiral disk has been estimated to be around 70,000 to 100,000 light - years (ly) across, with a central bulge of about 10,000 ly in diameter roughly around a supermassive dark hole.

Therefore, as the galaxy was stretched out, gravity's strength dropped faster for the outer portion of the galaxy than the inner portion, which produced the central bulge.

For reasons not fully understood, it appears that the sizes of central black holes and the masses of their galaxies, especially the central bulges, are almost perfectly in step [perfectly correlated].40

It also shows an optical view of the galaxy including the central bulge and thin disk.

NGC 4429 (top - left) is a fine example of a lenticular galaxy showing a central bulge surrounded by a disk of stars.

Lenticular galaxies have a central bulge but no spiral arms, and are sometimes referred to as «armless spiral galaxies.»

Note how one of the spiral arms seems to pass over the left side of the central bulge.

Young, mostly sun - like stars in the core, or central bulge, provided the building blocks for the galaxy's foundation.

Our galaxy, the Milky Way, contains a supermassive black hole at its core surrounded by a central bulge of old, yellowish stars.