Question

Which of the following is the best description of a nebula? A. a large cloud of dust and gas B. a dense cluster of billions of stars C. a single sun surrounded by planets and asteroids D. a large cloud of comets and asteroids surrounding a solar system

Answer 1

The best description of a nebula is **A. a large cloud of dust and gas**. Nebulae are massive clouds in space, consisting of dust, hydrogen, helium, and other ionized gases, and they are often the regions where new stars are born.