Earth's place in the Universe

Well supported and tested hypothesis.

• Theory
• Hypothesis
• Universe
• Galaxy

Everything that exists.

• Universe
• Galaxy
• Atom
• Element

Group of stars

• Hypothesis
• Galaxy
• Nebular Hypothesis
• Element

Educated, Testable Guess

• Atom
• Element
• Hypothesis
• Theory

Explains how the universe was formed.

• Big Bang Theory
• Nebular Hypothesis
• Universe
• Planetesimals

Explains how planets were formed

• Nebular Hypothesis
• Jovian Planets
• Big Bang Theory
• Element

Matter that cannot be broken down by chemical or physical means.

• Terrestrial
• Jovian
• Atom
• Element

Smallest unit of matter

• Atom
• Element
• Universe
• Theory

Small bodies in the beginning that later became planets

• Planetesimals
• Atom
• Element
• Hypothesis

Outer, Giant planets

• Terrestrial Planets
• Jovian Planets
• Galaxy
• Universe