u930973931_answers

50 Score: 0 Attempted: 0/50 Subscribe 1. Which was the first major space telescope launched by NASA in 1990? (A) Spitzer Space Telescope (B) James Webb Space Telescope (C) Hubble Space Telescope (D) Kepler Space Telescope 2. The James Webb Space Telescope observes primarily in which wavelength? (A) Radio (B) Infrared (C) Ultraviolet (D) Gamma … Read more

50 Score: 0 Attempted: 0/50 Subscribe 1. Which was the first successful mission to fly by Mars in 1965? (A) Mariner 2 (B) Mariner 4 (C) Viking 1 (D) Pioneer 10 2. Which spacecraft was the first to successfully land on Mars? (A) Viking 1 (B) Mariner 9 (C) Pathfinder (D) Opportunity 3. The Voyager … Read more

50 Score: 0 Attempted: 0/50 Subscribe 1. Which wavelength range is best for observing the hot, high-energy universe such as black holes and neutron stars? (A) Radio (B) Infrared (C) X-ray (D) Optical 2. Which part of the electromagnetic spectrum is most useful for studying cosmic microwave background radiation? (A) Radio (B) Infrared (C) Ultraviolet … Read more

50 Score: 0 Attempted: 0/50 Subscribe 1. What is a supernova? (A) Birth of a star (B) Sudden explosion of a star (C) Collision of galaxies (D) Formation of a black hole only 2. Which type of supernova involves the collapse of a massive star? (A) Type Ia (B) Type II (C) Type Ib (D) … Read more

50 Score: 0 Attempted: 0/50 Subscribe 1. What is stellar nucleosynthesis? (A) Formation of stars (B) Creation of elements in stars through nuclear fusion (C) Motion of stars in galaxies (D) Collapse of stars into black holes 2. Which element is primarily produced during the main sequence phase of a star? (A) Helium (B) Carbon … Read more

50 Score: 0 Attempted: 0/50 Subscribe 1. What are neutrinos? (A) Charged particles (B) Neutral, nearly massless particles (C) Heavy atomic nuclei (D) High-energy photons 2. Who first proposed the existence of neutrinos? (A) Albert Einstein (B) Wolfgang Pauli (C) Enrico Fermi (D) Niels Bohr 3. Which force is responsible for neutrino interactions? (A) Electromagnetic … Read more

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