SETI β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. What does SETI stand for? (A) Search for Earth Terrestrial Investigations (B) Search for Extraterrestrial Intelligence (C) Science of Extraterrestrial Information (D) Space Exploration and Technology Institute 2. The primary goal of SETI is to: (A) Explore the Moon (B) Detect signs of intelligent life beyond Earth (C) … Read more

Extremophiles β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. What are extremophiles? (A) Organisms that live only in mild environments (B) Organisms adapted to survive extreme environmental conditions (C) Organisms that require oxygen to survive (D) Organisms that can only live in oceans 2. Thermophiles are extremophiles that thrive in: (A) Extremely cold environments (B) Extremely hot … Read more

Biosignatures β€” MCQs

Score: 0 Attempted: 0/50 Subscribe 1. What are biosignatures? (A) Geological formations caused by erosion (B) Chemical, physical, or biological indicators of life (C) Artificial satellites orbiting a planet (D) Evidence of volcanic activity 2. Which gas is a strong biosignature when found with methane? (A) Oxygen (Oβ‚‚) (B) Nitrogen (Nβ‚‚) (C) Carbon monoxide (CO) … Read more

X-ray Astronomy β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. X-ray astronomy studies which type of radiation? (A) Radio waves (B) Ultraviolet (C) X-rays (D) Infrared 2. The wavelength range of X-rays is approximately: (A) 10–400 nm (B) 0.01–10 nm (C) 700–1000 nm (D) 1–10 mm 3. Earth’s atmosphere blocks X-rays, so observations must be made from: (A) … Read more

Ultraviolet Astronomy β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. Ultraviolet astronomy studies which type of radiation? (A) Infrared (B) Ultraviolet (C) X-rays (D) Radio waves 2. Ultraviolet (UV) radiation has wavelengths shorter than: (A) Visible light (B) Infrared light (C) X-rays (D) Radio waves 3. The wavelength range of ultraviolet astronomy is approximately: (A) 10–400 nm (B) … Read more

Time-domain Astronomy β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. Time-domain astronomy mainly studies: (A) Static stars (B) Changing and transient phenomena (C) Only galaxies (D) Fixed constellations 2. Which term refers to short-lived astronomical events? (A) Continuum events (B) Transients (C) Constants (D) Periodics 3. A well-known transient studied in time-domain astronomy is: (A) Supernova (B) Blackbody … Read more

Radio Astronomy β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. Radio astronomy studies which type of electromagnetic waves? (A) Visible light (B) Radio waves (C) Infrared waves (D) X-rays 2. Who is regarded as the father of radio astronomy? (A) Isaac Newton (B) Karl Jansky (C) Galileo Galilei (D) Edwin Hubble 3. The first detection of cosmic radio … Read more

Infrared Astronomy β€” MCQs

50 Score: 0 Attempted: 0/50 Subscribe 1. Infrared astronomy studies which part of the electromagnetic spectrum? (A) Radio waves (B) Infrared radiation (C) X-rays (D) Gamma rays 2. Infrared radiation has wavelengths longer than: (A) Visible light (B) Radio waves (C) X-rays (D) Gamma rays 3. Infrared astronomy is most useful for studying: (A) Hot … Read more

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