The Solar SystemSOLAR SYSTEM - a star and all of the objects that orbit around it According to the NEBULAR THEORY, stars are born inside of immense...
StarsSTARS - massive balls of gas held together by gravity with a core so hot and dense that nuclear fusion occurs. (note: nuclear fusion is...
The UniverseDISTANCE MEASUREMENT Extremely large distances between objects in our solar system and universe call for the use of larger units of...
The Role of Theories, Laws, Hypotheses, and ModelsCOMMON MISCONCEPTION: A theory is an unproven idea, while a law has been proven correct. A theory will become a law when enough evidence...