10 Space

For Giordano Bruno " The world is ....."

• Any planet or star

• Solar system

• Universe

• A planet with intelligent beings

According to "The dark forest theory" ...

• We'd better never make contact with other civilizations.

• Aliens are also actively looking for "brothers in reason" in the universe.

• We can find out in advance if aliens want to be friends with us.

• All neighboring civilizations have been destroyed by other civilizations.

What are UFOs?

• Alien spacecraft

• Balloons

• Comets

• All of the above

What are astronomers looking for in our solar system and other stars?

• UFOs

• Life forms

• Planets

• Asteroids

What did some astronomers think they saw on Mars a hundred years ago?

• Canals

• Buildings

• Forests

• Mountains

Europa is

What is special about Saturn's - the largest moon, Titan?

• water

• atmosphere

• oxygen

Titan`s rivers, lakes, rain, and clouds are made of chemicals called

• chemicals

• hydrocarbons

• oil

What might exist in Europa's oceans, according to scientists?

• Bacteria
  

• 
  Plants
  

• 
  Fish
  

• 
  Birds

What is author`s attitude to our interstellar future?

• hopelessness

• hope for future contacts

• joy

• fear