Pale Blue Dot: A Vision of the Human Future in Space Test | Final Test - Easy

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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What type of missions does Sagan recommend in order to prepare to deal with Earth-bound asteroids?
(a) Asteroid landings.
(b) Spacewalks.
(c) Meteor landings.
(d) Extra-planetary manned missions.

2. What planet is the "evening star"?
(a) Mercury.
(b) Venus.
(c) Mars.
(d) Saturn.

3. Where was NASA's first SETI facility located?
(a) The Appalachian mountain range.
(b) The Nevada salt flats.
(c) The Sierra Nevada mountain range.
(d) The Mojave desert.

4. What moon was found to have volcanoes?
(a) Persephone.
(b) Io.
(c) Terpsichore.
(d) Europa.

5. Sagan worries about how societies of what type would handle the technology that could stop Earth-bound asteroids?
(a) Totalitarian.
(b) Progressive.
(c) Socialist.
(d) Liberal.

6. What does Sagan believe about weapons of mass destruction?
(a) They are a necessary evil.
(b) They should be tightly controlled.
(c) They must never used in anger.
(d) They must be destroyed.

7. What is the shape of the galaxy closest to the Milky Way?
(a) Spiral.
(b) Globular.
(c) Disc.
(d) Cluster.

8. Why do some suggest capturing asteroids in Earth orbit?
(a) To use them as space stations.
(b) To use them as weapons.
(c) To mine them for resources.
(d) To study them.

9. What was the major result of the Cretaceous-Tertiary Collision?
(a) Environmental shifts.
(b) The destruction of most plant life on the Earth.
(c) An ice age.
(d) Mass extinction.

10. What type of asteroids does Sagan suggest that men might be able to live inside of?
(a) Silicon asteroids.
(b) Ice asteroids.
(c) Carbon asteroids.
(d) Short-period asteroids.

11. What does Sagan say the rings of Saturn composed of?
(a) Frozen methane clouds.
(b) Chunks of destroyed planets.
(c) Tiny ice worlds.
(d) Discs of stone.

12. When does Sagan think that the human race will be "on its way"?
(a) When we reach another star.
(b) When we make contact with another intelligent species.
(c) When we begin living in space.
(d) When we begin colonizing other planets.

13. It is believed that some of Saturn's rings may eventually form into what?
(a) Moons.
(b) Asteroids.
(c) Comets.
(d) Meteors.

14. What was the name of the mission that sent the first probes to Venus?
(a) Lyka.
(b) Oracle.
(c) Sojourner.
(d) Venera.

15. How old are the terrain features generated by Venus' volcanoes?
(a) 2 billion years.
(b) 4 billion years.
(c) 1 billion years.
(d) 500 million years.

Short Answer Questions

1. What process would be critical to terraforming Mars?

2. When did the belief that Venus was a "sister planet" to Earth become dispelled?

3. About how many channels does SETI search for signs of extraterrestrial communication on?

4. What was the name of the second mission that sent probes into the atmosphere of Venus?

5. How well does Sagan say his typical audience handles the practical details of a Mars mission?

(see the answer keys)

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