Question

Stellar _________________ was not observed by ancient people because stars are too far away for their positions to shift due to Earth's motion around the Sun.

Answer 1

Stellar Nebula

Step-by-step 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,