Universe

A smaller, round body (natural satellite) that orbits a planet.

• Star

• Asteroid

• Moon

• Comet

What for we call an orbit that is oval (egg-shaped)?

• Circular orbit

• Elliptical orbit

• Parabolic orbit

• Hyperbolic orbit

What does the Big Bang theory suggest about our universe?

• The universe is continually expanding

• The universe is static and unchanging

• The universe will eventually collapse in on itself

• The universe is filled with dark matter only

A large celestial body that is composed of gas and that emits light.

• planet

• star

• asteroid

• comet

Space and all the matter and energy in it.

• Galaxy

• Cosmos

• Universe

• Solar System

The amount of matter found in an object

• Weight

• Volume

• Density

• Mass

A large cloud of gas and dust in interstellar space; a region in Space where stars are born.

• Nebula

• Galaxy

• Star Cluster

• Asteroid Belt

Unit of measure to determine distances within our solar system

• Light Year

• Parsec

• Astronomical Unit

• Kilometer

The study of all aspect of Space.

• Astrophysics

• Cosmology

• Astronomy

• Meteorology

How is gravity impacted by mass?

• The greater the object's mass, the more gravitational pull it has.

• Gravity is independent of mass.

• Lighter objects have a stronger gravitational pull.

• Mass has no effect on gravity.