Solar System Chapter 12 Lesson 2,3,4 modified

Front

What do all of the outer planets have?

Back

Both moons and ring systems.

Front

True or False: Long-period comets come from a zone called the Oort cloud.

Back

True.

Front

What is the part of a comet that surrounds the nucleus and is often fuzzy?

Back

Coma.

Front

What do scientists believe originates in the Oort Cloud located beyond the orbit of Pluto?

Back

Comets.

Front

Which planet is the smallest in the solar system?

Back

Mercury.

Front

What are the four outer planets in our solar system?

Back

Jupiter, Saturn, Uranus, and Neptune.

Front

What is the main difference between asteroids and comets?

Back

Asteroids are rocky, while comets are icy and have tails.

Front

What is the name of the ring system around Saturn?

Back

The Saturnian ring system.

Front

What is the nucleus of a comet?

Back

The solid core of a comet, made of ice and dust.

Front

What is a meteoroid?

Back

A small rocky or metallic body in outer space.