Planets, stars, and galaxies are composed of different forms of matter. Which material makes up the planets in Earth's solar system?

Question

Planets, stars, and galaxies are composed of different forms of matter. Which material makes up the planets in Earth's solar system?
A.
 
heavy metals created in the big bang
B.
 
debris from previous stars that have exploded
C.
 
material that shot out of the Sun about 10 billion years ago
D.
 
material captured from a passing galaxy about 10 billion years ago

GPT-4o mini · Answer

The correct answer is:

B. debris from previous stars that have exploded

Planets in Earth's solar system are primarily formed from the remnants of earlier stars, including gas and dust that were produced from supernovae and other stellar processes. This material accumulated over time to form the planets.