Universe Vocab List #1

A solid, rocky and or metallic body that independently orbits the sun; large irregularly shaped, except for the few larger spherical ones;mostly located between the orbits of Mars and Jupiter.

• Asteroid

• Doppler effect

• Comet

• Impact event

States that the present Universe started as a big explosion 10 to 17 billion years ago and been expanding ever since.

• Big Bang Theory

• Constellation

• Comet

• Galaxy

Any object in the universe outside the Earth's atmosphere, including, moons, comets, asteroids, planets, stars, and galaxies.

• Celestial Object

• Constellation

• Doppler Effect

• Impact Crater

A low density object composed of material that easily vaporize and some other solids; independently orbits the sun or other stars; usually has a highly eccentric orbit; partly vaporizes forming a visible tail when near the sun.

• Comet

• Asteroid

• Star

• Constellation

A group of stars that form a pattern and are used to help people locate celestial objects.

• Constellation

• Asteroid

• Gravitation

• Impact Crater

The apparent wavelength shifting of electromagnetic energy caused by the relative motion between the energy source and the observer

• Doppler Effect

• Big Bang Theory

• Comet

• Electromagnetic Spectrum

Energy that is radiated from all objects not at a temperature of absolute zero

• Electromagnetic Energy

• Big Bang Theory

• Asteroid

• Constellation

A model, such as a chart, that shows the full range of types of electromagnetic energy, usually in order of wavelengths.

• Electromagnetic Spectrum

• Electromagnetic energy

• Galaxy

• Impact even

The large grouping of millions or billions of stars and other forms of masses held together by gravity; our galaxy is called the Milky way.

• Galaxy

• Impact Crater

• Celestial object

• Asteroid

The attractive force that exists between any two objects in the universe

• Gravitation

• Galaxy

• Impact Event

• Comet