Structure formation in the universe proceeds hierarchically, meaning that
A) large objects collapse and then fragment to form smaller objects.
B) large objects form at the same times as smaller objects.
C) small objects collapse and then merge to form larger objects.
D) only small objects form and are stable over time.
E) normal matter collapses first and dark matter collapses later.

Question

Quizplus · Accepted Answer

In hierarchical structure formation, small objects like galaxies and star clusters form first and then merge over time to create larger structures such as galaxy clusters and superclusters.

Structure Formation in the Universe Proceeds Hierarchically, Meaning That