A) Saturn B) Jupiter C) Mars D) Neptune
A) A signal from outer space B) A substance that provides scientific evidence of past or present life C) A type of space telescope D) An alien language
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) A code used by space agencies B) The first message from aliens C) A theory about the origin of the universe D) A strong narrowband radio signal detected by astronomer Jerry R. Ehman in 1977
A) Because they are immune to cosmic radiation B) Because they are alien species C) Because they provide energy to spacecraft D) Because extremophiles show that life can exist in extreme environments
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 celestial event marking the birth of a star B) An alien spacecraft C) A type of planet with extreme weather D) A rotating neutron star that emits beams of electromagnetic radiation
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) 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 |