50 Score: 0 Attempted: 0/50 Subscribe 1. What is photometry in astronomy mainly concerned with? (A) Measuring wavelengths of light (B) Measuring the intensity or brightness of light (C) Splitting light into spectra (D) Measuring star distances 2. The basic unit of luminous intensity in photometry is: (A) Watt (B) Lumen (C) Candela (D) Lux … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is the primary goal of interferometry in astronomy? (A) To reduce telescope costs (B) To improve angular resolution (C) To detect exoplanets only (D) To reduce atmospheric turbulence 2. Interferometry works on the principle of: (A) Reflection (B) Refraction (C) Interference of light waves (D) Diffraction 3. … Read more
Score: 0 Attempted: 0/50 Subscribe 1. What is the main purpose of adaptive optics in astronomy? (A) To increase telescope magnification (B) To correct atmospheric distortion in real time (C) To reduce chromatic aberration in lenses (D) To block light pollution 2. Atmospheric turbulence causes what effect in ground-based telescopes? (A) Redshift (B) Blurred and … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is a protoplanetary disk? (A) A disk of gas and dust around a young star (B) A galaxy’s spiral arm (C) A black hole’s accretion disk (D) A belt of asteroids 2. Protoplanetary disks are the birthplace of: (A) Galaxies (B) Planets (C) Black holes (D) Stars … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What are organic molecules in space primarily composed of? (A) Carbon and hydrogen (B) Iron and nickel (C) Helium and neon (D) Oxygen and nitrogen 2. Which of the following is a simple organic molecule detected in space? (A) Methane (CH₄) (B) Sodium chloride (NaCl) (C) Ammonia (NH₃) … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What are molecular clouds primarily composed of? (A) Carbon dioxide (B) Hydrogen molecules (H₂) (C) Oxygen gas (D) Helium 2. Which molecules are commonly used to trace molecular clouds? (A) CO (Carbon monoxide) (B) N₂ (Nitrogen) (C) O₂ (Oxygen) (D) CH₄ (Methane) 3. Molecular clouds are also known … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is the interstellar medium (ISM)? (A) The matter between stars in a galaxy (B) The dark energy driving expansion (C) The cosmic background radiation (D) The gravitational field of a black hole 2. What is the primary composition of the ISM? (A) Hydrogen and helium gas (B) … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What does the term “Universe’s Fate” generally refer to? (A) The age of the universe (B) The ultimate future evolution and end of the universe (C) The origin of galaxies (D) The study of planets 2. Which scientific field studies the fate of the universe? (A) Biology (B) … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What does the Inflation Theory primarily explain in cosmology? (A) The end of the universe (B) The rapid expansion of the universe in its earliest moments (C) The creation of stars and galaxies (D) The slowing down of cosmic expansion 2. Who first proposed the Inflation Theory? (A) … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is dark matter? (A) Matter that emits visible light (B) Matter that interacts only through gravity and possibly weak forces (C) Ordinary matter in stars and planets (D) Black holes and neutron stars only 2. What percentage of the universe’s total mass-energy is thought to be dark … Read more