Understanding 'Pale Blue Dot' by Carl Sagan

What is the main theme of the excerpt from 'Pale Blue Dot'?

• The vastness of the universe

• The importance of Earth

• The insignificance of human conflicts

• All of the above.

During a science class, Melissa and Michelle discussed what the 'pale blue dot' represents. What did they conclude?

• A distant star

• Earth

• The sun

• A galaxy

Michelle and Melissa were discussing their astronomy class. Michelle said that astronomy is a _______ and character-building experience.

• Humbling

• Frightening

• Exciting

• Boring

What does Carl Sagan emphasize about human responsibility in the text?

• To conquer other planets

• To cherish and preserve Earth

• To ignore the universe

• To focus on technological advancement.

During a class discussion, Michelle described the Earth as a lonely speck in the great _______ cosmic dark.

• Bright

• Enveloping

• Distant

• Mysterious