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Where does most of the mass of a spiral galaxy reside?

Around 60% of the observable universe is comprised out of spiral galaxies. Spiral galaxies are mostly found in low-density regions, and very rarely at the center of galaxy clusters. Most spiral galaxies contain a supermassive black hole in the center of the central bulge.

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What is the mass of our galaxy in terms of solar mass?

What color is a neutron star? Blue. It was very blue. It is an electric blue color because of its surface being hundreds of thousands to millions of degrees.

One may also ask what is an sb galaxy?

The Milky Way Galaxy, where the Solar System is located, is classified as a barred spiral galaxy. Edwin Hubble classified spiral galaxies of this type as "SB" (spiral, barred) in his Hubble sequence and arranged them into sub-categories based on how open the arms of the spiral are. What is the nucleus of a spiral galaxy? The very center of our galaxy is called the nucleus, or central bulge. By observing X-ray emissions, radio maps, and infrared, we have seen that the center of the galaxy contains a lot of stars.

Accordingly, why is the galaxy spiral shape?

Astronomers believe that galaxies have spiral arms because galaxies rotate ? or spin around a central axis ? and because of something called "density waves." A spiral galaxy's rotation, or spin, bends the waves into spirals. Stars pass through the wave as they orbit the galaxy center. What means spiral galaxy? Spiral galaxies are twisted collections of stars and gas that often have beautiful shapes and are made up of hot young stars. Most of the galaxies that scientists have discovered so far are spiral galaxies, as opposed to the other two main categories of galaxy shapes - elliptical and irregular.

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Where does most of the star formation happen in spiral galaxies quizlet?

A continuous line-of-sight to satellite uplink and downlink stations is afforded by the unique location above Earth. The volume defined by this belt is large but available slots are limited.

Is the Andromeda galaxy a spiral galaxy?

Andromeda, also known as Messier 31 (M31), is a spiral galaxy located about 2.5 million light years away. Regarding this, what is spiral shape? In mathematics, a spiral is a curve which emanates from a point, moving farther away as it revolves around the point.

Keeping this in consideration, what is galaxy and its types?

There are four main categories of galaxies: elliptical, spiral, barred spiral, and irregular. These types of galaxies are further divided into subcategories while at the same time other types of galaxies exist based on their size and other unique features.

By Elizabeth Opaka

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