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Adults/Unit 10: Space Exploration

Vocabulary

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Cosmos

"Universe."

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Colonize

"Settle."

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Astronaut

"Space traveler."

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Galaxy

"Star system."

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Orbit

"Go around."

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Gravity

"Pull force."

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Alien

"Extraterrestrial."

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Telescope

"Look far tool."

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Launch

"Send up."

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Exploration

"Looking around."

Article

To Boldly Go

Space is the final frontier. We are entering a new Space Age, driven by billionaires (Musk, Bezos) rather than just nations.

Mars Colonization Becoming a "multi-planetary species." It is the ultimate insurance policy for humanity. If Earth dies, we survive on Mars. But Mars is a hellscape. Is it worth it?

The Fermi Paradox The universe is billions of years old. There should be aliens everywhere. "Where is everybody?" Are we alone? Or do civilizations destroy themselves before they can travel?

Overview Effect Astronauts report a cognitive shift when seeing Earth from space. No borders, just a fragile blue ball. It changes their perspective on life.

Discussion

Questions

  • 1Would you go to Mars (one way ticket)?
  • 2Do aliens exist?
  • 3Is space travel a waste of money?
  • 4Should we mine asteroids?
  • 5What is the 'Overview Effect'?

Further Discussion

  • 1Does the universe have a purpose?
  • 2Is Earth special?
  • 3Who owns the Moon?

Practice

Progress: 0/10
Score: 0
1.

The question 'Where is everybody?' regarding aliens is called the...

2.

Becoming a species that lives on more than one planet is being...

3.

The universe seen as a well-ordered whole constitutes the...

4.

Send a group of settlers to (a place) and establish political control over it is to...

5.

A person who is trained to travel in a spacecraft is an...

6.

A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction is a...

7.

The curved path of a celestial object or spacecraft around a star, planet, or moon is an...

8.

The force that attracts a body toward the center of the earth, or toward any other physical body having mass is...

9.

Belonging to a foreign country or nation constitutes being...

10.

An optical instrument designed to make distant objects appear nearer is a...

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