Aliens
What does “UFO” stand for?
Unidentified Flying Object
What planet in our solar system is often studied as a possible place for past alien life?
Mars
What do scientists call living things that might exist outside Earth? E.T
Extraterrestrial life
What is the name of the galaxy that contains Earth?
The Milky Way
What is the scientific term for the study of life in the universe?
Astrobiology