A) Hydrogen. B) Oxygen. C) Iron. D) Helium.
A) Interactions between charged particles. B) Lack of energy. C) Radioactive decay. D) Geometric shapes of galaxies.
A) Increase the speed of light. B) Can absorb all light. C) Can cause light to become polarized. D) Can create new colors.
A) An area of low pressure. B) A sudden increase in pressure and temperature. C) A flat line in a spectrograph. D) A change in the structure of magnetic fields.
A) Reduces the speed of light. B) Produces new elements. C) Causes instability in stars. D) Enhances the transport of energy and particles.
A) The speed of light. B) The movement of planets. C) Propagation of Alfvén waves. D) The size of a galaxy.
A) Saturn B) Andromeda Galaxy C) The Sun D) Jupiter
A) A type of asteroid. B) A formation of ice on comets. C) A hot area in the center of the Sun. D) A natural light display caused by the interaction of charged particles with a planet's magnetic field.
A) Through mental visualization. B) Through direct physical contact. C) Through observations, simulations, and laboratory experiments. D) By sending rockets into space.
A) They emit strong magnetic fields. B) They shield galaxies from cosmic rays. C) They are the largest structures in the universe and act as highways for gas and galaxies. D) They have no significant role in space.
A) Collision of planets. B) Expansion of the universe. C) Sudden bursts of radiation. D) Opposing magnetic field lines breaking and reconnecting.
A) The center of a star B) Earth's poles C) The Sun's surface D) Boomerang Nebula
A) A change in the speed of light. B) A warp in the space-time continuum. C) A massive release of plasma and magnetic fields from a star's corona. D) A sudden brightening of a distant galaxy.
A) By blocking cosmic rays. B) By collapsing under gravity and undergoing nuclear fusion. C) By repelling each other due to electric charge. D) By emitting strong radio waves.
A) Saturn B) Mars C) Jupiter D) Earth
A) By studying the behavior of accretion disks around black holes. B) By detecting gravitational waves from black holes. C) By measuring the temperature on black hole surfaces. D) By observing the shape of black holes. |