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Dwarf galaxies are small galaxies that contain relatively few stars compared to larger galaxies, typically having a total stellar mass of less than a billion solar masses. They can be classified into different types, such as dwarf elliptical, dwarf irregular, and dwarf spheroidal galaxies. Despite their small size, dwarf galaxies can play a significant role in our understanding of galaxy formation and evolution, as well as dark matter. They often exist in groups or clusters and can be satellites of larger galaxies, like the Milky Way.
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Is it true that elliptical galaxies are sometimes called dwarf galaxies?
You can have dwarf elliptical galaxies.
What galaxies are sometimes called dwarf galaxies being typically smaller than spiral galaxies?
Elliptical galaxies are sometime called dwarf galaxies.
What is the estimated number of dwarf galaxies since there are 100 billion galaxies in the universe?
There are approximately 7 trillion dwarf galaxies in the universe.
What galaxy is smaller than a Spiral and Elliptical Galaxy?
By virtue of their name, dwarf galaxies are smaller. Most galaxies are dwarf galaxies.
Do Dwarf galaxies contain only dwarf stars?
Dwarf galaxies merely refer to the size of the galaxy itself, not the stars in the galaxy, so no.
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.
Are comets asteroids stars or galaxies sometimes called minor planets?
Asteroids, some comets, and dwarf planets are classified as minor planets. Stars and galaxies are much larger than planets There are dwarf planets and these are Ceres Pluto and Eris.
Are there at least 7 trillion or more dwarf galaxies in the observable universe?
Yes, the current Dwarf galaxies in the visible universe are 7 trillion.
Is it true that dwarf galaxies are generally only about one fifth the size of the Andromeda galaxy?
Yes, it's generally true that dwarf galaxies are significantly smaller than larger galaxies like the Andromeda Galaxy. Dwarf galaxies typically contain fewer stars and have a lower mass, often being about one-fifth to one-tenth the size of larger galaxies. Andromeda, for instance, is one of the largest galaxies in the Local Group, while dwarf galaxies vary greatly in size and composition, making them much smaller by comparison.
Do some dwarf galaxies contain 1 billion stars?
Yes. Some dwarf galaxies contain at least 1 billion stars.
The clouds of Magellan the Sagittarius dwarf are examples of what galaxies?
The clouds of Magellan and the Sagittarius dwarf are examples of satellite galaxies, which are small galaxies that orbit larger galaxies like our Milky Way. They are located relatively close to the Milky Way and are gravitationally bound to it.
The local group contains mainly spiral galaxies?
No. It has only 3 big spiral galaxies, but dozens of dwarf galaxies.
