A galaxy is a huge rotating aggregation of stars, dust, gas and other debris held together by ____.
A)nebulae
B)gravity
C)moons
D)vapor

Name: A galaxy is a huge rotating aggregation of stars, dust, gas and other debris held together by ____. A)nebulae B)gravity C)moons D)vapor
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Gravity is the force that holds galaxies together. The massive gravitational attraction between all the objects within a galaxy - stars, planets, gas, dust, and other debris - keeps them orbiting around a common center of mass.

A Galaxy Is a Huge Rotating Aggregation of Stars, Dust