Solar Systems

The force that causes objects with mass to attract one another.

• gravity
• orbital path
• system
• outer planet

The gravitationally-curved path of an object around a point in space.

• solar system
• coma
• terrestrial
• orbital path

The luminous celestial body around which Earth and other planets revolve and from which they receive heat and light.

• star
• planet
• moon
• sun

A ball of gas in space that produces its own light and heat.

• planet
• meteorite
• star
• asteroid belt

Any of the large celestial bodies that revolve around the Sun in the solar system

• solar systems
• planets
• asteroids
• meteorites

Any of the rocky, terrestrial planets of Mercury, Venus, Earth, and Mars, whose orbits are inside the asteroid belt.

• outer planets
• inner planets
• Galilean moons
• asteroids

Any of the planets Jupiter, Saturn, Uranus, and Neptune, whose orbits lie beyond the asteroid belt.

• inner planets
• outer planets
• solar systems
• Galilean moons

The sun together with the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it.

• inner planets
• outer planets
• solar system
• Galilean moons

The region between the inner and outer planets where most asteroids orbit around the sun.

• meteorites
• meteroid
• asteroid belt
• comet

True or False:  Terrestrial means Earth like.

• true
• false