Which of the following best describes an elliptical galaxy? interstellar dust and gases forming a smooth circular pattern several billion stars arranged in a smooth flat manner a group of stars forming recognizable patterns in the night sky millions of planets arranged in the shape of a disk with spiraling arms

Interstellar dust and gases forming a smooth circular pattern

Several billion stars arranged in a smooth flat manner

Explanation:

A galaxy is a gravitationally bound system of stars and has dust and gas and has terrestrial matter. And galaxies are based on their visual morphology as they are spiral and elliptical and also irregular and thus need to have a general classification.  The elliptical galaxies range from the E0 to E7 regardless of there viewing angles. And these are found near the core of the galactic clusters ad the example of the shell galaxies can be used.

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