A) Helium. B) Iron. C) Hydrogen. D) Oxygen.
A) Geometric shapes of galaxies. B) Lack of energy. C) Interactions between charged particles. D) Radioactive decay.
A) Can absorb all light. B) Can create new colors. C) Can cause light to become polarized. D) Increase the speed of light.
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) Produces new elements. B) Causes instability in stars. C) Enhances the transport of energy and particles. D) Reduces the speed of light.
A) The speed of light. B) Propagation of Alfvén waves. C) The movement of planets. D) The size of a galaxy.
A) By repelling each other due to electric charge. B) By collapsing under gravity and undergoing nuclear fusion. C) By blocking cosmic rays. D) By emitting strong radio waves.
A) Through mental visualization. B) Through observations, simulations, and laboratory experiments. C) By sending rockets into space. D) Through direct physical contact.
A) A change in the speed of light. B) A massive release of plasma and magnetic fields from a star's corona. C) A sudden brightening of a distant galaxy. D) A warp in the space-time continuum.
A) A natural light display caused by the interaction of charged particles with a planet's magnetic field. B) A hot area in the center of the Sun. C) A type of asteroid. D) A formation of ice on comets.
A) By detecting gravitational waves from black holes. B) By measuring the temperature on black hole surfaces. C) By studying the behavior of accretion disks around black holes. D) By observing the shape of black holes.
A) They shield galaxies from cosmic rays. B) They are the largest structures in the universe and act as highways for gas and galaxies. C) They emit strong magnetic fields. 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) Jupiter B) Saturn C) Mars D) Earth
A) The center of a star B) Boomerang Nebula C) Earth's poles D) The Sun's surface
A) Saturn B) Jupiter C) Andromeda Galaxy D) The Sun |