50 Score: 0 Attempted: 0/50 Subscribe 1. What are cosmic rays primarily composed of? (A) Electrons (B) Protons (C) Neutrons (D) Photons 2. Who first discovered cosmic rays? (A) Albert Einstein (B) Victor Hess (C) Enrico Fermi (D) Marie Curie 3. In which year were cosmic rays discovered? (A) 1905 (B) 1912 (C) 1925 (D) … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What primarily causes tidal forces on Earth? (A) Sun’s gravity (B) Moon’s gravity (C) Earth’s rotation (D) Wind forces 2. Tidal forces arise due to differences in: (A) Temperature (B) Gravitational pull (C) Atmospheric pressure (D) Magnetic fields 3. The point on Earth closest to the Moon experiences: … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is a spacecraft trajectory? (A) The spin rate of the spacecraft (B) The path a spacecraft follows under forces (C) The spacecraft’s communication pattern (D) The shape of a satellite 2. Which law primarily governs spacecraft trajectories? (A) Newton’s Second Law (B) Kepler’s Laws of Planetary Motion … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is an orbital resonance? (A) When two bodies collide in space (B) When two bodies exert regular gravitational influence on each other (C) When a planet spins faster than it orbits (D) When a moon escapes its planet 2. Orbital resonances usually involve simple ratios of: (A) … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What does the “N” represent in the N-body problem? (A) Number of stars (B) Number of bodies in the system (C) Number of galaxies (D) Number of satellites 2. The N-body problem arises in which field of physics? (A) Thermodynamics (B) Celestial mechanics (C) Quantum mechanics (D) Electrodynamics … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. Who formulated the three laws of planetary motion? (A) Isaac Newton (B) Johannes Kepler (C) Galileo Galilei (D) Nicolaus Copernicus 2. According to Kepler’s First Law, the orbit of a planet is a(n): (A) Circle (B) Ellipse (C) Parabola (D) Hyperbola 3. In Kepler’s First Law, the Sun … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. Which planet is known as the “Red Planet”? (A) Venus (B) Jupiter (C) Mars (D) Mercury 2. Which planet has the largest number of moons in the Solar System? (A) Jupiter (B) Saturn (C) Uranus (D) Neptune 3. The asteroid belt lies between which two planets? (A) Mars … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is planetary geology? (A) Study of Earth’s oceans (B) Study of the structure and processes of planets and moons (C) Study of galaxies (D) Study of black holes 2. Which planet is most geologically active today? (A) Earth (B) Mars (C) Mercury (D) Venus 3. The most … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is the main component of Earth’s atmosphere? (A) Oxygen (B) Nitrogen (C) Carbon dioxide (D) Hydrogen 2. Which terrestrial planet has the densest atmosphere? (A) Earth (B) Mars (C) Venus (D) Mercury 3. What is the main gas in Venus’s atmosphere? (A) Oxygen (B) Nitrogen (C) Carbon … Read more
50 Score: 0 Attempted: 0/50 Subscribe 1. What is an exoplanet? (A) A planet within our solar system (B) A planet orbiting a star outside our solar system (C) A moon around Jupiter (D) A comet orbiting the Sun 2. Which was the first confirmed exoplanet discovered around a Sun-like star in 1995? (A) Kepler-22b … Read more