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