Answer:
Stellar Nebula
Explanation:
Stellar nebula is simply the nebulosity that surrounds the star.
A nebulla is a giant aggregation of gas and dust in the space.
A stellar nebula is an interstellar cloud that is composed of helium, dust , hydrogen and plasma.
Nebulae are formed of their own gravity,
"blocking high views" is not typically a problem associated with urban sprawl, since this urbanization tends to take place on relatively flat levels, which takes up more land.
