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