Apologia Physical Science Module 16 Astrophysics

Which nuclear process happens in the sun's core

• nuclear fission

• nuclear fusion

What is the process by which a large nucleus is split into smaller nuclei?

• nuclear fusion

• nuclear fission

What are the two main types of variable stars?

• white dwarfs

• pulsating variables

• novas

• red giants

• Supergiants

Apparent magnitude is...

• The brightness of a star as ween in the night sky. The smaller the number, the brighter the star.

• The brightness of a star, corrected for distance, on a scale of -8 to +19. The smaller the number the brighter the star.

Absolute magnitude is...

• The brightness of a star as seen in the night sky.

• The brightness of a star, corrected for distance.

Which type of stars do we find in section D on this chart?

• white dwarfs

• red giants

• supergiants

• main sequence stars

Which type of star do we find in section A on this chart?

• white dwarfs

• red giants

• supergiants

• main sequence stars

Which type of stars do we find in section B on this chart?

• white dwarfs

• red giants

• supergiants

• main sequence

Which type of star do we find in section C of this chart?

• white dwarfs

• red giants

• supergiants

• main sequence

What is the name of the galaxy to which Earth's solar system belongs and which type is it?

• Milky Way, Spiral

• Milky Way, irregular

• Andromeda, spiral

• Andromeda, irregular