CSCJ STRUCTURE OF THE UNIVERSE VOCABULARY

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

A (n) _________ is a large group of stars, gas and dust bound together by gravity.

The distance that light can travel in one year, also known as a _____________ is about, 9.5 trillion km.

A spherical body that orbits the sun is called a ______________

They look like spheres or ovals and do not have spirals ____________

 

____________ is one of the eight planets that orbit the sun.

The four planets that orbit farthest from the sun and a have thick, gaseous atmosphere; small, rocky cores' and ring system of ice, rock and dust are the ___________

They contain as many as several thousand galaxies ________.

_________ is classified as a spiral galaxy.

What is the space and  all the matter and energy in it called?

• star

• galaxy

• universe

• planet