Which Phrase Accurately Describes an Elliptical Galaxy?

The phrase "an elliptical galaxy is a galaxy with an elliptical shape" accurately describes an elliptical galaxy. Elliptical galaxies are the most common type of galaxy in the universe, and they are thought to be the end product of mergers between spiral galaxies. Elliptical galaxies are characterized by their smooth, featureless light profiles and their lack of a central bulge.

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An elliptical galaxy is a type of galaxy that has an elliptical shape. Most elliptical galaxies are found in clusters, and they are the most common type of galaxy in the universe.

Elliptical galaxies are thought to be formed by the merger of two or more galaxies. Over time, the gravitational interaction between the galaxies causes them to lose energy and angular momentum. This causes the galaxies to fall towards each other and eventually merge into one elliptical galaxy.

The largest elliptical galaxy known is IC 1101, which is about five times the size of the Milky Way. Elliptical galaxies are also some of the most luminous galaxies in the universe.

The heaviness of an elliptical galaxy is thought to be due to the fact that they contain a lot of dark matter. Dark matter is a type of matter that does not emit or reflect light, and it is thought to make up most of the matter in the universe.

Elliptical galaxies are interesting objects to study because they can tell us a lot about the formation and evolution of galaxies. However, they are also notoriously difficult to study because of their extremely bright cores.

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An elliptical galaxy is a galaxy with an ellipsoidal shape. They are the most common type of galaxy found in the Universe and are thought to make up about 60% of the galaxies in the local Universe. Many elliptical galaxies are simply massive collections of stars, with little or no interstellar medium, and they often have very little star formation taking place.

Elliptical galaxies come in a range of sizes, from large ellipticals which can have hundreds of billions of stars, to dwarf ellipticals which may have as few as a few million stars. The largest ellipticals are often found at the centre of galaxy clusters, and are some of the most massive objects in the Universe.

Elliptical galaxies are broadly classified into three types: giant ellipticals, intermediate ellipticals and dwarf ellipticals. Giant ellipticals are the most massive and luminous of the three types, and often have very high densities of stars near their centres. Intermediate ellipticals are less luminous and massive than giant ellipticals, but more so than dwarf ellipticals. Dwarf ellipticals are the least luminous and massive of the three types.

The shapes of elliptical galaxies vary from perfect spheres to highly flattened ellipsoids. This variety is due to the different formation histories of elliptical galaxies. For example, some ellipticals are thought to form through the merging of two or more spiral galaxies, while others may form through the accretion of smaller galaxies.

The centres of elliptical galaxies are often very bright, due to the high density of stars in that region. The brightness of the central region decreases with increasing distance from the centre, and this gradient is steeper in giant ellipticals than in dwarf ellipticals.

The centres of elliptical galaxies often contain a supermassive black hole. This is thought to be a relic of the formation process of elliptical galaxies, as the black hole is thought to form through the collapse of a massive gas cloud in the early Universe.

The stellar populations of elliptical galaxies are very different from those of spiral galaxies. In elliptical galaxies, the stars are older and more metal-rich than in spiral galaxies. This is thought to be due to the different formation histories of the two types of galaxies. Elliptical galaxies are thought to form in a single burst of star formation, while spiral galaxies are thought to form through continuous star formation over time.

The characteristic shape of an elliptical galaxy

Most galaxies, including our own Milky Way, are spiral galaxies. They get their name from the fact that their arms spiral out from the center. Elliptical galaxies, on the other hand, are shaped more like a football or an egg. They are smooth, with no spiral arms, and can range in size from a small fraction to several times the size of a spiral galaxy.

It was once thought that elliptical galaxies were the oldest in the universe, and that spiral galaxies were formed from them over time. However, recent studies suggest that this may not be the case. It is now believed that most elliptical galaxies are formed from the merger of two or more spiral galaxies.

When two galaxies collide, their respective gas and dust clouds mix together. This can cause a burst of star formation, as the new combined gravitational potential of the galaxies allows gas and dust to collapse more readily. The two galaxies will also begin to distort each other's shape, eventually merging into a single elliptical galaxy.

Over time, as more and more galaxies collide and merge, the overall number of galaxies in the universe will decrease. This process is thought to be one of the reasons why elliptical galaxies are more common in the early universe than they are today.

It is still not entirely clear how elliptical galaxies form, and more research is needed to better understand this process. However, the current theory suggests that they are formed from the merger of spiral galaxies, and that this is a relatively common process in the universe.

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There are many different types of galaxies in the Universe. Two of the most common types are elliptical galaxies and spiral galaxies. Though they may look different, they have many similarities. Both types of galaxies are giant collections of stars, gas, and dust held together by gravitational force. They both rotate, and they both have a central bulge of stars.

The primary difference between elliptical galaxies and spiral galaxies is their shape. Elliptical galaxies are shaped like a football or an egg. They are round or oval-shaped, with no defined spiral arms. Spiral galaxies, on the other hand, get their name from their characteristic spiral shape. They have a central bulge of stars, with spiral arms winding out from the center.

Another difference between these two types of galaxies is the way their stars are distributed. In elliptical galaxies, the stars are distributed evenly throughout the galaxy. In spiral galaxies, the stars in the spiral arms are more densely packed than in the galaxy’s disk.

The different shapes of elliptical galaxies and spiral galaxies is thought to be due to different ways that they form. Elliptical galaxies are thought to form through the merging of smaller galaxies. Spiral galaxies, on the other hand, are thought to form through the accretion of gas and dust.

Though they have many differences, elliptical galaxies and spiral galaxies also have some things in common. They are both extremely large, they both rotate, and they both have a central bulge of stars.

There are three main types of galaxies: elliptical, spiral, and irregular. Each type has a distinct shape that helps to identify it. Elliptical galaxies are the simplest in shape, resembling a spheroid or ellipsoid. They are generally featureless, with no spiral arms or other distinctive features. Spiral galaxies have a more complex structure, with a central bulge of stars surrounded by a flattened disk of stars. The disk is often divided into spiral arms that wind around the center. Irregular galaxies do not fall neatly into either category, and can have a variety of shapes.

Elliptical galaxies are the most common type, accounting for about 60% of all galaxies. They are found in a wide range of sizes, from giant ellipticals that are hundreds of times the size of the Milky Way, to dwarf ellipticals that are just a few percent of the size. Elliptical galaxies are thought to form through the merger of smaller galaxies, and they often contain older, metal-poor stars.

Spiral galaxies are the second most common type, making up about 35% of known galaxies. They come in a variety of sizes and shapes, from small, compact spirals to large, extended ones. Spiral galaxies tend to have more young, hot stars, and they are also richer in elements heavier than hydrogen and helium.

Irregular galaxies are the least common type, making up only a few percent of known galaxies. They have a wide range of shapes, from amorphous blobs to long, string-like structures. Many irregular galaxies are thought to be in the process of merging with other galaxies, and they often contain young, hot stars.

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Elliptical galaxies are found in all parts of the universe, but they are most common in two regions: in clusters of galaxies, and in the field.

Clusters of galaxies are gravitationally bound collections of galaxies. They range in size from a few galaxies to thousands of galaxies. Elliptical galaxies are the most common type of galaxy found in clusters. In fact, about 60% of all galaxies in clusters are elliptical galaxies.

The field is the region of the universe that is not gravitationally bound to any other galaxy or cluster. Elliptical galaxies make up about 20% of galaxies in the field.

There are several reasons why elliptical galaxies are so common in these two regions. First, they are very efficient at converting gas and dust into stars. Second, they are very good at retaining the gas and dust that they do form. This makes them very good at recycling their own material, and thus they can continue to form stars for a very long time.

Third, elliptical galaxies are very good at merging with other galaxies. When two galaxies collide, they often form an elliptical galaxy. This is because the elliptical shape is very good at absorbing the impact of the collision and then reformed into a single, larger elliptical galaxy.

Finally, elliptical galaxies are very old. They are some of the oldest galaxies in the universe. This means that they have had a long time to build up their mass through star formation and merging with other galaxies.

All of these factors make elliptical galaxies the most common type of galaxy in the universe.

How many elliptical galaxies are there in the universe? This is a question that does not have a definitive answer, but there are a few ways to make an estimate. One way to estimate the number of elliptical galaxies is by looking at the number of galaxies that are in a similar stage of evolution. Another way is to look at the number of galaxies of a similar shape.

It is difficult to directly observe elliptical galaxies because they are often obscured by dust and gas. However, they can be indirectly observed by looking at the light that they emit. Elliptical galaxies are often very bright because they contain a lot of old stars.

The number of elliptical galaxies has been estimated to be around 10% of all galaxies. However, this number is uncertain because it is difficult to observe elliptical galaxies.

In 2005, a team of international astronomers discovered what is now thought to be the largest elliptical galaxy in the universe. The galaxy, dubbed IC 1101, is nearly 2.5 times the size of the Milky Way and contains an estimated 100 trillion stars.

IC 1101 is located in the constellation of Virgo, about 2.2 billion light-years from Earth. It is a member of the Abell 2029 galaxy cluster, which is one of the largest known structures in the universe.

The galaxy was first discovered using the Sloan Digital Sky Survey, a large astronomical survey being conducted using a 2.5-meter telescope at the Apache Point Observatory in New Mexico.

The team of astronomers who discovered IC 1101 used the telescope to measure the galaxy's size and brightness. They also used the telescope to study the galaxy's colors and to estimate its mass.

The results of the study were published in the Astrophysical Journal.

IC 1101 is an incredible galaxy not only because of its size, but also because of its age. The galaxy is estimated to be about 13.7 billion years old, which means it formed soon after the Big Bang.

The discovery of IC 1101 has provided astronomers with a unique opportunity to study the early universe. The galaxy can help us to understand how galaxies form and evolve over time.

The large size of IC 1101 also has important implications for our understanding of the universe as a whole. The discovery of this galaxy challenges current models of the universe, which suggest that structures like galaxy clusters should not be able to form in the early universe.

The discovery of IC 1101 is sure to keep astronomers busy for many years to come. There is still much to learn about this fascinating galaxy.

The answer to this question is not currently known, as astronomers have not yet been able to accurately determine the size of every elliptical galaxy in the universe. However, based on the limited data that is available, it is believed that the smallest elliptical galaxy is probably about 1/10th the size of our own Milky Way galaxy. This would make it about 30,000 light years in diameter, which is relatively small compared to most other galaxies.

elliptical galaxies are some of the most fascinating objects in the cosmos. These massive collections of stars are often incredibly bright, and their shapes are truly unique. While they may not be as popular as spiral galaxies, they are still an important part of the universe, and deserve our attention.

It is believed that elliptical galaxies form through the merging of two or more spiral galaxies. Over time, these galaxies slowly lose their spiral shape and become more elongated. As they continue togrow larger, they also become more densely packed with stars. This process can take billions of years, and the end result is a massive elliptical galaxy.

Interestingly, the smallest elliptical galaxies are often found in clusters. This is because these clusters provide a gravitational force that helps to keep the galaxies together. Without this force, the galaxies would slowly drift apart, and eventually we would see them as individual objects.

While the smallest elliptical galaxy in the universe has not yet been determined, it is still an interesting topic of study. These fascinating objects can tell us a lot about the universe, and their size can give us clues about how they form.