The Big Bang Theory Vocabulary

A group of solar systems, dust, and gas held together by gravity; our solar system is part of the Milky Way galaxy

• Solar System

• Big Bang Theory

• Galaxy

• Star

Tags

NGSS.MS-ESS1-2

The most commonly accepted theory of how the universe formed; it states that the universe expanded from a hot, dense initial condition at a specific point in time around 13 billion years ago

• Nebular Hypothesis

• Star

• Universe

• Big Bang Theory

Tags

NGSS.HS-ESS1-2

The large, empty part of the universe that does not contain any matter

• Star

• Space

• Universe

• Galaxy

A massive ball of gas in outer space that gives off heat, light and other forms of radiation

• Nebular Hypothesis

• Star

• Light Year

• Galaxy

The theory that a solar system evolves from a hot gaseous nebula

• Universe

• Big Bang Theory

• Nebular Hypothesis

• Solar System

The distance light travels in a vacuum in one year; about 6 trillion miles

• Light Year

• Space

• Star

• Galaxy

Everything that exists in, on and around the Earth

• Solar System

• Planet

• Star

• Universe

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

A system of objects that revolve around a star

• Big Bang

• Solar System

• Light Year

• Galaxy

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3