Space Nasa Galaxy 3

It has hundreds of billions of stars enough gas and dust to make billions more stars and about six times as much dark matter as all the stars and gas put together. And its all held together by gravity. Like more than two thirds of the known galaxies the milky way has a spiral shape.

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Our galaxy the milky way is typical.

Space nasa galaxy 3. At the center of the spiral a lot of energy and occasionally. The word galaxy is derived from the greek galaxias galaxias literally milky a reference to the milky waygalaxies range in size from dwarfs with just a few hundred million 10 8 stars to giants with one hundred trillion 10 14 stars each orbiting its galaxys center. A galaxy is a gravitationally bound system of stars stellar remnants interstellar gas dust and dark matter.