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Carl Sagan

This astronomer is the author of Pale Blue Dot.

Scientists

The main "heroes" of Pale Blue Dot.

Theologians

The author presents this group as standing in the way of technological and moral progress.

God

The author emphasizes that this individual appears not to have designed the universe.

Galileo Galilei

This astronomer publicized the idea that the Earth revolves around the sun and was punished with permanent house arrest as a result.

Kuiper

This astronomer was the author's graduate adviser and friend.

Sagan's Students

Many of these individuals studied stars and planets and the moon Titan in particular.

Astronauts

The author often compares members of this group to the great explorers of the past.

NASA

This is the government agency primarily responsible for space exploration in the United States.

SETI/META

These organizations search for signs of intelligent extraterrestrial life by scanning radio waves.

Future Humans

The...

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