With a constellation as the background, it would be easiest to detect the day-to-day motion of a .

Question options:

A. star

B. planet

C. galaxy

D. quasar

B. planet

Explanation:

A constellation is an area on the celestial sphere in which a group of stars forms an imaginary outline or pattern, typically representing animals. These patterns can be seen on the planet for humans. Earth moves in a particular pattern around the sun.

Constellations were critically important to ancient ancestors. They used these star patterns for telling time at night with the help of the motion of stars in the sky. They used to identify the patterns of stars and used those in their generations to detect the time in the night. They also used constellations as the basis for early calendars, enabling civilizations to know when to plant crops and when to prepare for seasonal floods.

they are made of gases.

they have a spherical shape.

they make energy through fusion.