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Are nebulas in elliptical galaxies?

Because of their age, elliptical galaxies are believed to have older stars and less gas and dust in their insterstellar medium than other types of galaxies, and thus their nebulae are less common. However, nebulae are presumed to exist in almost all galaxies; and some recent observations hint that the central black holes of elliptical galaxies may tend to preserve interstellar gas by preventing it from cooling enough for star formation.


Which galaxy is bigger a elliptical or irregular?

Elliptical galaxies are typically larger than irregular galaxies. Elliptical galaxies are shaped like ellipsoids and often contain more stars and stellar mass compared to irregular galaxies, which have a more irregular and chaotic shape and structure.


Why some elliptical galaxies are lens shaped where as others are quite spherical?

Very lens-shaped elliptical galaxies have a high amount of reddish stars. Hence both their shape (the "spiral arms" have pulled inward over time) and the color of the stars implies they are very old galaxies. Spherical galaxies - I'm not up enough on that topic, so I will leave that part of the answer to another.


What are some physical characteristics of elliptical galaxies?

Elliptical galaxies are generally round or oval in shape, lacking the distinctive spiral arms seen in spiral galaxies. They typically have a smooth and featureless appearance, with older star populations and little ongoing star formation. Elliptical galaxies also tend to be more massive and contain mainly older stars.


Galaxy types from largest to smallest type?

It doesn't really work that way. The types aren't exactly related to size, but rather to shapes. Dwarf galaxies of course are the smallest; but other than that, a spiral galaxy can come in different sizes; so can an irregular galaxy or an elliptical galaxy.

Related Questions

What is one way that an elliptical galaxy differs from the other types of galaxies?

Elliptical galaxies are large blob shaped galaxies that most galaxies will eventually look like. Elliptical galaxies are what happens when two or more large galaxies collide and coalesce.


Do dozens of dwarf galaxies merge and form into a giant elliptical galaxy?

Not just dwarf galaxies. Giant elliptical galaxies lie likely the result of many galaxies, small and large, merging.


Is it true that elliptical galaxies are sometimes called dwarf galaxies?

You can have dwarf elliptical galaxies.


Which of these galaxies would you most likely find at the center of a large cluster of galaxies a a large spiral galaxy b a giant elliptical galaxy c a small irregular galaxy?

B.) A giant elliptical galaxy


What contains trillions of stars?

the night sky and/or large galaxies (elliptical or spiral)


What is three dimensional galaxies that can be shaped like a football that can be shaped like a football?

I think elliptical galaxies are the galaxies you are referring to. Scientist normally describe them as a flatted disk shape. These galaxies contain mainly older stars.


How are galaxies classifyed?

spiral galaxies (ours), irregular galaxies, and elliptical galaxies.


In which of these galaxies would you be least likely to find an ionization nebula?

a large elliptical galaxy


What are similarities between elliptical and spiral galaxies?

While spiral galaxies are bright, elliptical galaxies are dim. Spiral galaxies are hotbeds of star formation, but elliptical galaxies aren't nearly as prolific because they contain less gas and dust, which means fewer new (and brighter) stars are born


Are elliptical galaxies very bright and old?

Elliptical galaxies are generally old but not very bright


Do elliptical galaxies have gas and dust?

elliptical galxies


What are football shaped galaxies called?

They are elliptical galaxies.