Stars!!

How are the distances measured in space?

• In light-years

• In kilometers

• In sun radius

• In light speed

What is a light-year?

Answer explanation

Is the distance the light travels in one year (about 9 trillion kilometers)

Which is the closest star to the Earth?

After the sun the closest star to Earth is

• Betelgeuse

• Proxima Centauri

• Aldebaran

• Venus

Answer explanation

Proxima Centauri is the closest star to the Earth at 4.3 light years

How is called an area where galaxies are densely concentrated?

How are called the areas throughout the universe where very little matter exists?

• Clusters

• Galaxies

• Voids

• Superclusters

Mark all the correct choices for a star

• Is made of gas

• Emits light

• All of them have planets around it

• Are made of rock

The stars can vary in size and color

• True

• False

Which are the hottest stars?

• Yellow

• Orange

• Blue

• Red

The sun is a

• Yellow star

• White star

• Blue star

• Red star