Astronomy and Physics Concepts

Front

What is used to measure how far away a galaxy is?

Back

Redshift

Front

What is the force between objects where larger objects pull smaller objects towards them?

Back

Gravity

Front

What is the gradual growth of an object due to the accumulation of layers?

Back

Accretion

Front

What is the theory of how the universe expanded from an initial state of high density and temperature?

Back

Big Bang Theory

Front

What contains all of space and time?

Back

The Universe

Front

What law states that energy cannot be created or destroyed?

Back

Law of Conservation of Energy

Front

What states that matter can change between states but cannot be destroyed?

Back

Law of Conservation of Mass

Front

What is a self-luminous celestial body?

Back

Star

Front

What is the force or pull between two objects in space?

Back

Universal Gravitation

Front

What is the leftover radiation from the Big Bang expansion?

Back

Cosmic Microwave Background Radiation