What is a star?

Stars are gigantic balls of hot gases that give radiation.

• True

• False

The Sun's size is...?

• Small

• Medium

• Giant

• Supergiant

These are the two types of solar eruptions:

• Volcanic and prominences

• X-rays and solar flares

• Solar flares and prominences

It is very safe to send astronauts to the Sun when there are solar flares.

• True

• False

What is a constellation?

• A group of several galaxies.

• A group of stars ordered in a pattern.

• Planets and their satellites.

Stars remain always in the same place, without moving... never in their existance.

• True

• False