Lesson 1: Solar System Objects

How are inner and outer planets different from each other?

What would happen if the sun's gravitational pull did not keep objects in orbit?

What are the most visible features of the sun?

All of the following are planets, except...

The first identified asteroid with a moon is...

A planet's year is the time it takes to orbit the sun.

Astronomers use ___ to study the structure and features of the sun.

The first step in solar system formation occurs as the force of matter pulling together materials in the cloud.

There are three layers in the sun's atmosphere. What layer has a white halo surrounding the sun?

The sun is a planet.

What are the three layers of the sun's interior?

Each planet has a "day" and a "year".

Uranus spins on its side.

What happens when temperature and pressures get to high?

Another word for "AU" is "astronomical unit."

The entire universe extends more than 100,000 AU from the sun.

Mercury, Earth, Venus, And Mars are the four outer planets from the sun.

The Earth has 1 moon.

A ____ consists of the sun, the planets, their moons, and various other objects.

The sun is a large star.