Universe Vocab Review

Front

Star system of objects revolving around a star.

Back

Solar System

Front

Massive gas ball in space giving heat, light, and radiation.

Back

Star

Front

Group of solar systems, dust, and gas held by gravity; our solar system is part of the Milky Way.

Back

Galaxy

Front

Large, empty part of the universe without matter.

Back

Space

Front

Theory that a solar system evolves from hot gaseous nebula.

Back

Nebular Hypothesis

Front

Instrument to observe distant objects.

Back

Telescope

Front

Full range of electromagnetic wave frequencies.

Back

Electromagnetic Spectrum

Front

A set of statements or principles to explain facts or phenomena, widely accepted and used for predictions.

Back

Theory

Front

Circular path of an object revolving around another.

Back

Orbit

Front

Study of properties and behaviors of bodies in outer space.

Back

Astronomy