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What are the factors contributed to the formation of elliptical galaxies

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What are the Factors Contributed to the Formation of Elliptical Galaxies?

In this article, we will explore the factors that contribute to the formation of elliptical galaxies. Understanding the formation process of these fascinating celestial objects can provide valuable insights into the evolution and dynamics of the universe. Let's delve into the key aspects and benefits of studying the factors behind the formation of elliptical galaxies.

I. Factors Contributing to the Formation of Elliptical Galaxies:

  1. Stellar Collisions: The collision and merging of stars within a galaxy can lead to the formation of elliptical galaxies. This process often occurs when two or more galaxies come into close proximity, causing their stars to interact and merge over time.

  2. Galactic Mergers: When two or more galaxies merge, their combined gravitational forces can disrupt the original shapes of the galaxies involved, resulting in the formation of elliptical galaxies. This phenomenon is commonly observed in galaxy clusters.

  3. Gas Accretion: The accumulation of gas in the early universe plays a crucial role in the formation of elliptical galaxies. The collapse of gas clouds and subsequent star formation can lead to the creation of dense stellar systems, which eventually evolve into elliptical galaxies.

  4. Feedback from Active Galactic Nuclei (

The elliptical galaxy M49 was discovered by Charles Messier in 1771. Not only was it the first object discovered in the Virgo Cluster of galaxies, but it was also the first elliptical galaxy detected outside of the Milky Way's Local Group.

Who was the first person to classify galaxies?

Edwin Hubble invented a classification of galaxies and grouped them into four classes: spirals, barred spirals, ellipticals and irregulars.

What describes an elliptical galaxy?

Elliptical galaxies have a smooth ellipsoidal or spherical appearance, and they have far less structure than spiral galaxies do. Elliptical galaxies are typically found in galaxy clusters.

Which accurately describes an elliptical galaxy?

The phrase that accurately describes an elliptical galaxy is that it has no new stars being formed. An elliptical galaxy refers to the galaxy that has an ellipsoidal shape. An elliptical galaxy can also be found around the center of the galaxy clusters.

What is the origin of the elliptical galaxies?

Elliptical Galaxies The stars orbit around the core in random directions and are generally older than those in spiral galaxies since little of the gas needed to form new stars remains. Scientists think elliptical galaxies originate from collisions and mergers with spirals.

How do elliptical galaxies get so large?

Current thinking amongst astronomers is that most elliptical galaxies formed from the collisions and subsequent mergers of spiral galaxies.

What are giant elliptical galaxies come from?

Elliptical Galaxies The stars orbit around the core in random directions and are generally older than those in spiral galaxies since little of the gas needed to form new stars remains. Scientists think elliptical galaxies originate from collisions and mergers with spirals.

Frequently Asked Questions

Can life exist in an elliptical galaxy?

Based on numbers of stars, supernova rates, and metallicity, a prior study concluded that large elliptical galaxies contain up to 10 000 times more habitable planets than the Milky Way and are thus the 'cradles of life'.

Which factor suggests that an elliptical galaxy will form?

The formation of elliptical galaxy occurs when two sprial corals collide with eachother which causes the spiral corals to lose their shape forming elliptical galaxies in the process. the collision of the spiral corals is made possible by angular momentum possesed by the spiral corals.

What are 3 characteristics of elliptical galaxies?

An elliptical galaxy has an elliptical shape, very little gas and dust, and is filled with old red stars that have random orbits in multiple planes. The stars in this type of galaxy group into a ball, rather than as disc-like spiral galaxies.

How do giant elliptical galaxies form?

Current thinking amongst astronomers is that most elliptical galaxies formed from the collisions and subsequent mergers of spiral galaxies.

What do we think is the most likely cause of elliptical galaxies?

Born from collision, elliptical galaxies are more commonly found around clusters and groups of galaxies. They are less frequently spotted in the early universe, which supports the idea that they evolved from the collisions that came later in the life of a galaxy.

FAQ

What is believed to be the origin of starburst galaxies?
The most popular theory for the cause of a starburst is that it is triggered by a close encounter or collision with another galaxy. This collision sends shock waves rushing through the galaxy. These shock waves push on giant clouds of gas and dust, causing them to collapse and form a few hundred stars.
What makes up elliptical galaxy?
Elliptical galaxies are made up of mostly old stars, and do not have much gas and dust. There is very little new star formation in these galaxies. Elliptical galaxies also come in many sizes. The largest galaxies we see are ellipticals, but, elliptical galaxies can also be small.
Why do we see more elliptical galaxies in clusters and more spiral galaxies in the field?
In the first class, the proportion of galaxy types is set by the conditions when the galaxies form, and once the galaxies form they do not alter their morphology. Thus, in regions that are or will become regular clusters, more ellipticals are formed.
Are elliptical galaxies more likely to be found in clusters than spiral galaxies?
Four classes are used to classify galaxies: spiral; barred spiral; elliptical and irregular. Elliptical galaxies have a smooth ellipsoidal or spherical appearance, and they have far less structure than spiral galaxies do. Elliptical galaxies are typically found in galaxy clusters.

What are the factors contributed to the formation of elliptical galaxies

What are the reasons an elliptical galaxy might form instead of a spiral galaxy? When two spirals collide, they lose their familiar shape, morphing into the less-structured elliptical galaxies. A supermassive black hole is thought to lie at the center of these ancient galaxies. These gluttonous giants consume gas and dust, and may play a role in the slower growth of elliptical galaxies.
Do elliptical galaxies vary more in shape than spiral galaxies? Elliptical galaxies have shapes that range from completely round to oval. They are less common than spiral galaxies. Unlike spirals, elliptical galaxies usually contain little gas and dust and show very little organization or structure.
Why do elliptical galaxies tend to appear more yellow red than spiral galaxies? Ellipticals tend to be redder in color than spiral galaxies because they primarily have older stars; most do not have enough gas and dust to form new stars.
How are irregular galaxies held together? Galaxies are vast cosmic islands of stars, gas, dust, and dark matter held together by gravity. Hubble's keen eye has revealed intricate details of the shapes, structures, and histories of galaxies — whether alone, as part of small groups, or within immense clusters.
  • How is a galaxy held together?
    • A galaxy is a giant, spinning object made of gas, dust, and stars held together by gravity. Galaxies come in different shapes and sizes and can contain billions of stars. Most occur in groups that are also held together by gravity.
  • What is one likely way for elliptical galaxies to form?
    • Scientists think elliptical galaxies originate from collisions and mergers with spirals.
  • What is the structure of the elliptical galaxies?
    • Elliptical galaxies have a smooth ellipsoidal or spherical appearance, and they have far less structure than spiral galaxies do. Elliptical galaxies are typically found in galaxy clusters.
  • Which of the following is not a feature of the elliptical galaxies
    • ... these is NOT a characteristic of elliptical galaxies? stellar orbits go in all direction. which of these is NOT a characteristic of spiral galaxies? the