Suppose that you were to go back in time and explore the solar nebula during the formation of the solar system.If you were to travel outward from the protosun,the first solid material you would encounter would be:
A) dust-sized grains of rocky material.
B) dust-sized grains of frozen hydrogen, water ice, and rocky minerals.
C) snowflakes made of frozen water, methane, ammonia, and carbon dioxide.
D) snowflakes made of frozen hydrogen and helium.

Question

Quizplus · Accepted Answer

The first solid material encountered in the solar nebula would have been dust-sized grains of rocky material. As the temperature decreased with distance from the protosun, these grains would have been able to condense out of the gas phase and form into larger bodies such as planetesimals.

Suppose That You Were to Go Back in Time and Explore