Question

15 multiple choice 2 points the diagram below represents the development of our universe from the time of the big bang until the present. letter a indicates two celestial objects the present - day celestial objects labeled a are best identified as asteroid belts spiral galaxies terrestrial planets eccentric comets

Explanation:

• Asteroid belts are within a galaxy, not large - scale celestial objects in the context of the universe's development shown.
• Terrestrial planets are part of a solar system within a galaxy.
• Eccentric comets are small - scale objects within a solar system.
• Spiral galaxies are large - scale celestial objects that are part of the universe's structure over time as depicted in the diagram from the Big Bang to the present.

Answer:

spiral galaxies