A) Jupiter B) Neptune C) Saturn D) Mars
A) An alien language B) A signal from outer space C) A substance that provides scientific evidence of past or present life D) A type of space telescope
A) A region of space filled with gold B) A zone controlled by an alien species C) The habitable zone around a star where conditions are just right for life D) The area where space missions look for extraterrestrial life
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
A) A type of planet with extreme weather B) An alien spacecraft C) A celestial event marking the birth of a star D) A rotating neutron star that emits beams of electromagnetic radiation
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) A list of potential candidates for space colonization B) A directory of alien species C) A database of known exoplanets that are considered potentially habitable D) A guide to space exploration equipment
A) Because they are alien species B) Because they provide energy to spacecraft C) Because they are immune to cosmic radiation D) Because extremophiles show that life can exist in extreme environments
A) A new type of telescope for deep space exploration B) A type of exoplanet C) A hypothetical megastructure that completely surrounds a star and captures its energy D) A method of communication with aliens |