- 1. Which of the following is a key criterion in the search for alien life?
A) High levels of oxygen
B) Lack of atmosphere
C) Presence of liquid water
D) Extreme cold temperatures
- 2. What is the primary source of energy that sustains life on Earth?
A) Nuclear radiation
B) Wind energy
C) Sunlight
D) Geothermal energy
- 3. Which celestial body in our solar system is believed to have potential for microbial life?
A) Mars
B) Saturn
C) Jupiter
D) Venus
- 4. What is SETI an acronym for in the context of searching for extraterrestrial intelligence?
A) Space Exploration Technology Initiative
B) Search for Extraterrestrial Intelligence
C) Scientific Exploration of Terrestrial Inhabitants
D) Signal Extrapolation Telemetry Investigation
- 5. What famous equation is used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy?
A) Einstein's Theory
B) Hubble's Formula
C) Drake Equation
D) Newton's Law
- 6. Which moon of Jupiter is known to have a subsurface ocean that could potentially harbor life?
A) Io
B) Callisto
C) Europa
D) Ganymede
- 7. In the search for extraterrestrial intelligence, what kind of signals are scientists primarily looking for?
A) Radio signals
B) Sonic waves
C) Visual patterns
D) Chemical emissions
- 8. What is the study of exoplanets and their potential for life called?
A) Starology
B) Alienology
C) Exoplanetology
D) Astrobiology
- 9. What is the name of the famous radio signal detected in 1977 that some believe could have been of extraterrestrial origin?
A) Wow! Signal
B) Zap! Signal
C) Whoa! Signal
D) Cool! Signal
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