Question

which list is in order from biggest to smallest?
a. earth → solar system → nebula → galaxy
b. universe → galaxy → solar system → earth
c. universe → earth → solar system → nebula
d. solar system → galaxy → nebula → earth

Explanation:

The universe is the largest structure, containing multiple galaxies. A galaxy has many solar - systems, and a solar - system has planets like Earth.

Answer:

B. Universe → Galaxy → Solar system → Earth