A) Saturn B) Mars C) Jupiter D) Neptune
A) A signal from outer space B) An alien language C) A type of space telescope D) A substance that provides scientific evidence of past or present life
A) A zone controlled by an alien species B) The habitable zone around a star where conditions are just right for life C) A region of space filled with gold D) The area where space missions look for extraterrestrial life
A) The first message from aliens B) A strong narrowband radio signal detected by astronomer Jerry R. Ehman in 1977 C) A theory about the origin of the universe D) A code used by space agencies
A) Because they are alien species B) Because they are immune to cosmic radiation C) Because extremophiles show that life can exist in extreme environments D) Because they provide energy to spacecraft
A) A type of exoplanet B) A new type of telescope for deep space exploration C) A hypothetical megastructure that completely surrounds a star and captures its energy D) A method of communication with aliens
A) An alien spacecraft B) A rotating neutron star that emits beams of electromagnetic radiation C) A celestial event marking the birth of a star D) A type of planet with extreme weather
A) A database of known exoplanets that are considered potentially habitable B) A directory of alien species C) A guide to space exploration equipment D) A list of potential candidates for space colonization
A) Estimating the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy B) Predicting comets' trajectories C) Calculating spaceship speeds D) Determining ocean temperatures on exoplanets |