Sentences with phrase «irregular galaxies»

The Coalsack earned the nickname «Black Magellanic Cloud» in the 16th century, apparently rivalling the prominence of the Large and Small Magellanic Clouds, the two dwarf irregular galaxies that shine brightly in the skies of the Southern Hemisphere.
The Magellanic Clouds are small irregular galaxies orbiting our own larger Milky Way spiral galaxy.
It is immediately obvious that there are very few spiral galaxies, and no bright irregular galaxies.
In this picture, among a crowd of face - and edge - on spiral, elliptical, and irregular galaxies, lies NGC 4866, a lenticular galaxy situated about 80 million light - years from Earth (Credit: ESA / Hubble & NASA Acknowledgement: Gilles Chapdelaine)
In this picture, among a crowd of face - and edge - on spiral, elliptical, and irregular galaxies, lies NGC 4866, a lenticular galaxy situated about 80 million light - years from Earth
Chemical Evolution Models for spiral and irregular galaxies Mercedes Mollá 2013 February 21, 13:30 IA / U.
This is very common in very rich clusters - the elliptical / lenticular galaxies are usually found in the centre, and the spiral / irregular galaxies are usually found in the outer regions.
The blue points show the spiral galaxies and irregular galaxies, they are clearly more numerous in the outer parts of the cluster.
In the dense enviroment of the Coma cluster there have probably been many galaxy mergers over billions of years, and the result is a cluster with a very low number of spiral and irregular galaxies.
They hope to localize more bursts to see whether they usually live in dwarf irregular galaxies, and whether they all appear alongside steady radio sources, both of which would support the newborn - magnetar theory.
These events occur disproportionately often in dwarf irregular galaxies, which are thought to be similar to some of the earliest galaxies that populated the universe.
But dwarf irregular galaxies are likely to have formed from lightweight hydrogen and helium that remain pristine from when the universe was young.
From their appearance, galaxies are classified in types as given above, as spiral, lenticular, elliptical, and irregular galaxies, where spirals may be further classified for the presence of a bar (S: spirals, SAB: Intermediate, SB: Barred spirals).
The dwarf irregular galaxies may be from cloud fragments that did not get incorporated into larger galaxies.
Irregular galaxies have no definite structure.
The Large and Small Magellanic Clouds, visible in the Southern Hemisphere, are two dwarf irregular galaxies that are neighbors of the Milky Way.
Irregular galaxies are usually rich in interstellar matter, such as dust and gas.
Not only does it hint at the universe's unexpected richness, but that abundance suggests that small, irregular galaxies merge to form the larger ones more familiar in our cosmic neighborhood.
NGC 2366 (left) is an irregular galaxy where a lot of recent star formation has occured.
NGC 4242 (right) is an irregular galaxy with a central bar and faint signs of spiral structure.
NGC 1560 (left) is a spiral or irregular galaxy viewed edge - on.
NGC 55 is a bright, edge - on, irregular galaxy with a lot of new star formation.
NGC 3664 (centre) is an irregular galaxy with a central bar and one spiral arm.
NGC 3447 (right) is a large irregular galaxy.
NGC 5253 (left) is a small spiral / irregular galaxy near M83.

Not exact matches

But about seven per cent of radio galaxies produce more irregular «winged», or X-shaped, jets.
Galaxies with irregular or unusual shapes are known as peculiar galaxies, and typically result from disruption by the gravitational pull of neighbouring gGalaxies with irregular or unusual shapes are known as peculiar galaxies, and typically result from disruption by the gravitational pull of neighbouring ggalaxies, and typically result from disruption by the gravitational pull of neighbouring galaxiesgalaxies.
The CIB glow is more irregular than can be explained by distant unresolved galaxies, and this excess structure is thought to be light emitted when the universe was less than a billion years old.
Irregular dwarf galaxies like Barnard's get their bloblike forms from close encounters with other galaxies.
NGC 6822, about 1.6 million light - years away, is classified as an irregular dwarf galaxy because of its odd shape and relatively small size compared with other galaxies, such as our own, the Milky Way, and its other neighbors, the Andromeda and Triangulum galaxies.
Galaxies come in irregular shapes, too, including many dwarf gGalaxies come in irregular shapes, too, including many dwarf galaxiesgalaxies.
There are three main types of galaxies: oval - shaped ellipticals, disk - like spirals and irregulars that don't quite fit in with either of the former classes.
That is why the researchers focused on elliptical galaxies, which have less obscuring material than spiral and irregular ones.
All others are called irregular because they do not resemble elliptical or spiral galaxies.
The estimates of the number of dwarf irregulars and dwarf ellipticals are based on the proportions of these types of galaxies in nearby groups.
There may be more irregular and dwarf galaxies.
It has many hundreds of galaxies (mostly spirals and irregulars) distributed into an irregular shape about 10 million light years across.
In 1936 Hubble put these groups onto a two - pronged sequence that looks like a tuning fork because he thought that the galaxies started out as ellipticals, then changed to spirals and then to irregulars.
The sequence of images below starting from top left: the Large Magellanic Cloud (satellite of Milky Way), the Small Magellanic Cloud (satellite of Milky Way), IC 5152 (irregular in Local Group), NGC 3084 (= Messier 82, starburst irregular in M81 group), NGC 1313 (another starburst galaxy), NGC 6822 (irregular in Local Group).
The dwarf ellipticals may be the most common type of galaxy in the universe (or maybe the dwarf irregulars are).
Pictures from the Hubble Space Telescope of very distant galaxies show more distorted shapes, bent spiral arms, and irregular fragments than in nearby galaxies (seen in a more recent stage of their evolution).
Astronomers have identified a population of stars in NGC 3344 that are moving in an irregular way relative to the majority of the stellar bodies that make up the galaxy.
«The beauty of this is that dwarf irregulars are the most numerous type of galaxy, and many, like IC 10, are relatively nearby.
The image, which shows gas, dust and stars spread across the sky in a disorderly and irregular jumble, also reveals several other, far more distant galaxies that appear as fuzzy shapes in the background.
To nearly everybody's surprise, as reported in January in the journal Nature, the bursts originated in a small «dwarf irregular» galaxy, one about a gigaparsec (just over 3 billion light years) away.
UGCA 86 (centre) and UGCA 92 (right) are much closer, they are two faint irregular dwarf galaxies located about seven million light years from us at the front of the group near IC 342.
NGC 5585 (right) is a fairly irregular spiral galaxy.
IC 1574 (right) is an irregular dwarf galaxy which is also at the back of this group.
ESO 407 - 18 (left) is an irregular dwarf galaxy which like NGC 55 is at the front of the Sculptor Group about 6 or 7 million light years from us.
When American astronomer Edwin Hubble established the extragalactic nature of what we now call galaxies, it became plain that the Clouds had to be separate systems, both of the irregular class and more than 100,000 light - years distant.
a b c d e f g h i j k l m n o p q r s t u v w x y z