The heavy bombardment phase of the solar system lasted
A)several million years.
B)several tens of millions of years.
C)several hundreds of millions of years.
D)about a billion years.
E)to the present time.

Question

Quizplus · Accepted Answer

The heavy bombardment phase, known as the Late Heavy Bombardment, is believed to have lasted several hundreds of millions of years, approximately from 4.1 to 3.8 billion years ago.

The Heavy Bombardment Phase of the Solar System Lasted