6.11A Celestial Objects

Front

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

Back

gravity

Front

Objects such as planets, moons, and stars that are located in the sky or in space.

Back

celestial objects

Front

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

Back

orbital path

Front

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

Back

sun

Front

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

Back

star

Front

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

Back

planets

Front

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

Back

inner planets

Front

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

Back

outer planets

Front

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

Back

solar system

Front

A group of interacting or interdependent parts forming a complex whole; for example, all the factors or variables in an environment or all the planetary bodies revolving around a star.

Back

system