The Solar System Chapt 21

This planet has 13 moons.

This planet has a tilted axis, small solid core, moons, & a ring system.

Why is Mercury not hotter than Venus? (2 answers)

What originates in the Oort cloud? (the shell surrounding our solar system)

What's the difference between meteors & meteorites?

What are 2 similar characteristics of inner & outer planets?

This planet has complex rings, small solid core, & moons.

This planet is the largest, has colorful clouds, & 5th planet from the sun.

What do outer planets have in common?

This planet has a greenhouse effect which traps solar energy & is extremely hot.

What are astronomical units based on?

This planet has liquid water & a solid outer layer.

This planet is the smallest, orbits the sun closer than earth, & has no atmosphere.

The time it takes an object to travel around the sun is known as a ____________.

Find 3 dwarf planets...

A common characteristic of the inner planets:

This planet has reddish iron oxide, polar ice caps, and a solid outer layer.

What are 3 characteristics inner and outer planets are different?