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