A) 299,792 kilometers per second. B) 500,000 kilometers per second. C) 100 kilometers per second. D) 1,000 kilometers per second.
A) A region of spacetime where matter is compressed into a small volume. B) A region of spacetime where gravity is so strong that nothing, not even light, can escape. C) A region of spacetime where gravity is weak. D) A region of spacetime where time flows backwards.
A) A highly magnetized rotating neutron star that emits beams of electromagnetic radiation. B) A cloud of gas and dust in space. C) A distant galaxy with an active nucleus. D) A black hole surrounded by a disk of hot, glowing gas.
A) The reflection of light off a mirror. B) The refraction of light through a prism. C) The scattering of light by air molecules. D) The bending of light due to the distortion of spacetime by a massive object.
A) An extremely bright and distant active galactic nucleus powered by a supermassive black hole. B) A small moon of a gas giant planet. C) A type of asteroid in our solar system. D) A type of star in the Milky Way.
A) The edge of the black hole where light can still escape. B) The center of the black hole. C) The boundary beyond which nothing can escape from the black hole's gravitational pull. D) The point in time when the black hole formed.
A) A type of red giant star. B) An imaginary type of star. C) A type of neutron star with an extremely powerful magnetic field. D) A type of black hole.
A) A hypothetical form of energy that permeates all of space and accelerates the expansion of the universe. B) A type of dark matter. C) Energy that is dark in color. D) A type of invisible radiation.
A) A black hole with a mass millions to billions of times that of the sun, typically found at the center of galaxies. B) A black hole created in a laboratory. C) A black hole with a mass similar to that of Earth. D) An ordinary black hole found throughout the universe.
A) A type of black hole. B) A star composed mostly of protons. C) A compact star primarily composed of neutrons that result from the gravitational collapse of a massive star. D) An ordinary star like the sun.
A) Waves of gravity emitted by stars. B) Ripples in spacetime caused by the acceleration of massive objects. C) Waves that can be used to ride through space. D) Wave-like fluctuations in the strength of gravity.
A) A type of red giant star. B) An ordinary star like the sun. C) A hypothetical type of compact star composed of quarks. D) A star made of dark matter.
A) A region in spacetime where time stops. B) A region in spacetime where matter ceases to exist. C) A region in spacetime where gravity disappears. D) A region in spacetime where gravitational forces cause matter to be infinitely compressed.
A) The distance from the sun at which Earth's orbit ends. B) The radius of the event horizon of a non-rotating black hole. C) The distance from Earth to the moon. D) The distance at which light bends around a massive object.
A) Levitation B) Time reversal C) Spaghettification D) Teleportation
A) Nuclear fusion B) Nuclear fission C) Neutron activation D) Electron capture
A) Muon B) Photon C) Neutrino D) Graviton
A) 27% B) 5% C) 15% D) 49%
A) A theoretical propulsion system that uses magnetic fields and plasma to generate thrust. B) A type of rocket engine. C) A form of electromagnetic gun. D) An experimental spacecraft engine that uses solar wind.
A) The bending of light due to gravity. B) The shift in color of stars as they age. C) The increase in wavelength of light from a source moving away from an observer. D) The decrease in wavelength of light from a source moving towards an observer.
A) Loop quantum gravity B) Superstring theory C) M-theory D) String theory
A) Supernova B) Black hole C) Red giant D) White dwarf
A) Brown dwarf B) Pulsar C) Magnetar D) Quasar
A) Quantum entanglement B) Lorentz transformation C) Time dilation D) Length contraction
A) 1 trillion years B) 13.8 billion years C) 10 million years D) 4.5 billion years
A) Stephen Hawking B) Albert Einstein C) Isaac Newton D) Galileo Galilei
A) Flattens it B) Curves it C) Straightens it D) Expands it
A) String theory B) Quantum mechanics C) General relativity D) Quantum field theory
A) Ultraviolet B) Infrared C) X-ray D) Visible light
A) Spiral B) Irregular C) Elliptical D) Dwarf
A) Ergosphere B) Photon sphere C) Singularity D) Event horizon
A) Quasar merger B) White dwarf collision C) Nova D) Kilonova
A) Special relativity B) Quantum mechanics C) General relativity D) String theory
A) Event horizon B) Photon sphere C) Singularity D) Ergosphere
A) Iron B) Oxygen C) Hydrogen D) Carbon
A) Temperature B) Entropy C) Pressure D) Internal energy |