I'm having trouble finding the answers to these fill-in-the-blank questions: Our understanding of the solar system has changed from an Earth-centered model of ____ and ____ to the sun centered model of _____ and _____.

I was thinking for the first 2 blanks: rocks; oxygen and for the last 2 blanks: gas;helium. If it isn't correct can you please give me a hint? Thank You!

Please help! I'm really having trouble with this!

The fill-in-the-blank questions you provided are related to the historical understanding of the solar system. The correct answers are:

Our understanding of the solar system has changed from an Earth-centered model of __rocks and oxygen__ to the sun-centered model of __gas and helium__.

However, it seems like your answers are not correct. Here's a hint to help you find the correct answers:

Think about the historical development of our understanding of the solar system. Consider famous historical figures such as Copernicus and Galileo who made significant contributions to changing our understanding of the solar system.

Give it another try, and remember to consider what we know about the composition of the Earth, the sun, and the solar system as a whole. Good luck!