Solar System Questions #1

What is a solar system?

• a group of asteroids

• a group of stars revolving around planets

• a group of planets revolving around 1 star

Where can other solar system be found besides our own?

• inside and outside of our galaxy

• in our solar system

How is the sun similar and different to other stars?

• it is the farthest from the Earth, the same size, and made of mostly helium

• the sun is the closest to the Earth, a different size than other stars, and is made of mostly hydrogen

About how much mass in our solar system is in the sun?

• 50%

• 75%

• 99%

How do scientists group the planets?

• inner - gas giants, outer - terrestrial

• inner - terrestrial, outer - gas giants

How would you remember the order of planets?

• Memorize them

• My very educated mother just showed us Neptune.

Why would the sun look larger from mercury than from the Earth?

• It wouldn't, it would look the same

• it is closer to the sun

• Mercury has no atmosphere

Could people live on Venus?

• yes, but it would be warm

• no, it would be way too hot with lava and volcanoes

• maybe, but I don't know

What are two things on Earth that make it a good place for living things?

• clouds and land

• oxygen and ice

• oxygen and water

Why is Mars called the red planet?

• Mars is red

• someone painted it red

• the rocks contain iron oxide or rust