Quiz · Eight Planets Around the Sun

Question 1What does this talk mainly describe about our solar system?

How Pluto became the ninth planet long ago How the Sun was formed billions of years ago How people might travel to distant stars The eight planets of our solar system and their features

Question 2Why does Mars look red, according to the speaker?

Because its ground is full of rusty dust Because of its thick and cloudy air Because of fires burning on its surface Because of the bright rings around it

Question 3How do astronomers describe the object called Pluto today?

As the ninth planet of the system As a small and distant moon As a dwarf planet As a very cold star