Formation of the Universe Vocabulary

Theory which explains that the universe began as a point and has been expanding ever since.

• Geocentric Model
• Heliocentric Model
• Big Bang Theory
• Cosmology

All types of electromagnetic radiation, arranged according to wavelength and frequency.

• Electromagnetic Spectrum
• Frequency
• Wavelength
• Spectra
• Cosmic Background Radiation

The distance between two peaks in a wave.

• Electromagnetic Spectrum
• Frequency
• Wavelength
• Spectra
• Cosmic Background Radiation

different colors of light emitted based on the chemical composition of the light source

• Electromagnetic Spectrum
• Frequency
• Wavelength
• Spectra
• Cosmic Background Radiation

The left over radiation from the big bang explosion found throughout the universe.

• Electromagnetic Spectrum
• Frequency
• Wavelength
• Spectra
• Cosmic Background Radiation

A shift in the lines of an object's spectrum toward the red end indicating that an object is moving away from the observer.

• Galaxy
• Redshift
• Visible Light
• Radio Waves

electromagnetic waves that are visible to the human eye

• Galaxy
• Redshift
• Visible Light
• Radio Waves

The explanation proposed for how the universe expands.

• Blueshift

• Redshift

• Inflation

• Big Bang